diff --git a/demos/button.html b/demos/button.html
index 674e2f764..f8dbe8985 100644
--- a/demos/button.html
+++ b/demos/button.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>button demo</title>
-  <script src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-button/mwc-button.js"></script>
   <script type="module" src="../node_modules/@material/mwc-icon/mwc-icon.js"></script>
   <link rel="stylesheet" href="demo-component.css">
diff --git a/demos/card.html b/demos/card.html
index 64d9f82f7..a6a3877b9 100644
--- a/demos/card.html
+++ b/demos/card.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>card demo</title>
-  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <style>
     body {
       font-family: Arial, Helvetica, sans-serif;
@@ -54,7 +54,7 @@ limitations under the License.
     import '../node_modules/@material/mwc-ripple/mwc-ripple.js';
 
     class DemoCard extends LitElement {
-      render() {
+      _render() {
         return html`
           ${cardStyle}${typographyStyle}
           <style>
diff --git a/demos/checkbox.html b/demos/checkbox.html
index 4f72a1295..64e82d844 100644
--- a/demos/checkbox.html
+++ b/demos/checkbox.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>checkbox demo</title>
-  <script src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-checkbox/mwc-checkbox.js"></script>
   <script type="module" src="../node_modules/@material/mwc-icon/mwc-icon.js"></script>
   <link rel="stylesheet" href="demo-component.css">
diff --git a/demos/chips.html b/demos/chips.html
index 900124a47..34fd85ec3 100644
--- a/demos/chips.html
+++ b/demos/chips.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>chips demo</title>
-  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-chips/mwc-chip.js"></script>
   <script type="module" src="../node_modules/@material/mwc-chips/mwc-chip-set.js"></script>
   <script type="module" src="../node_modules/@material/mwc-icon/mwc-icon.js"></script>
diff --git a/demos/dialog.html b/demos/dialog.html
index 6fe457437..b3a47dbd2 100644
--- a/demos/dialog.html
+++ b/demos/dialog.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>dialog demo</title>
-  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-button/mwc-button.js"></script>
   <script type="module" src="../node_modules/@material/mwc-dialog/mwc-dialog.js"></script>
   <script type="module" src="../node_modules/@material/mwc-icon/mwc-icon.js"></script>
diff --git a/demos/fab.html b/demos/fab.html
index d1f3f7bd4..4c0a04c12 100644
--- a/demos/fab.html
+++ b/demos/fab.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>fab demo</title>
-  <script src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-icon/mwc-icon.js"></script>
   <script type="module" src="../node_modules/@material/mwc-fab/mwc-fab.js"></script>
   <link rel="stylesheet" href="demo-component.css">
diff --git a/demos/formfield.html b/demos/formfield.html
index 3ddb79b40..d4b486e25 100644
--- a/demos/formfield.html
+++ b/demos/formfield.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>formfield demo</title>
-  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-formfield/mwc-formfield.js"></script>
   <script type="module" src="../node_modules/@material/mwc-checkbox/mwc-checkbox.js"></script>
   <script type="module" src="../node_modules/@material/mwc-radio/mwc-radio.js"></script>
diff --git a/demos/icon-toggle.html b/demos/icon-toggle.html
index 81a0ff69f..78bbced93 100644
--- a/demos/icon-toggle.html
+++ b/demos/icon-toggle.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>icon-toggle demo</title>
-  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-icon-toggle/mwc-icon-toggle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-icon/mwc-icon.js"></script>
   <link rel="stylesheet" href="demo-component.css">
diff --git a/demos/icon.html b/demos/icon.html
index 60a3f8a36..67df4da5d 100644
--- a/demos/icon.html
+++ b/demos/icon.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>icon demo</title>
-  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-icon/mwc-icon.js"></script>
   <link rel="stylesheet" href="demo-component.css">
   <style>
diff --git a/demos/index.html b/demos/index.html
index ca05a4977..9b3e8a378 100644
--- a/demos/index.html
+++ b/demos/index.html
@@ -23,13 +23,13 @@ limitations under the License.
 <body>
   <demo-view></demo-view>
 
-  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module">
     import {LitElement, html} from '@polymer/lit-element';
     import {style as listStyle} from '@material/mwc-list/mwc-list-item-css.js';
 
     class DemoView extends LitElement {
-      render() {
+      _render() {
         return html`
           ${listStyle}
           <style>
diff --git a/demos/linear-progress.html b/demos/linear-progress.html
index 0d5435ed6..4dd3f8f6c 100644
--- a/demos/linear-progress.html
+++ b/demos/linear-progress.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>linear-progress demo</title>
-  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-linear-progress/mwc-linear-progress.js"></script>
   <script type="module" src="../node_modules/@material/mwc-button/mwc-button.js"></script>
   <script type="module" src="../node_modules/@material/mwc-icon/mwc-icon.js"></script>
diff --git a/demos/menu.html b/demos/menu.html
index 6800ec7fe..cd8e07c64 100644
--- a/demos/menu.html
+++ b/demos/menu.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>menu demo</title>
-  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-button/mwc-button.js"></script>
   <script type="module" src="../node_modules/@material/mwc-menu/mwc-menu.js"></script>
   <script type="module" src="../node_modules/@material/mwc-list/mwc-list-item.js"></script>
diff --git a/demos/radio.html b/demos/radio.html
index 3f3aa4eaa..806dda59f 100644
--- a/demos/radio.html
+++ b/demos/radio.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>radio demo</title>
-  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-radio/mwc-radio.js"></script>
   <script type="module" src="../node_modules/@material/mwc-icon/mwc-icon.js"></script>
   <link rel="stylesheet" href="demo-component.css">
diff --git a/demos/ripple.html b/demos/ripple.html
index 812128cb8..3960c2126 100644
--- a/demos/ripple.html
+++ b/demos/ripple.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>ripple demo</title>
-  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-ripple/mwc-ripple.js"></script>
   <script type="module" src="../node_modules/@material/mwc-icon/mwc-icon.js"></script>
   <link rel="stylesheet" href="demo-component.css">
diff --git a/demos/select.html b/demos/select.html
index e3ab8d611..f822c82e0 100644
--- a/demos/select.html
+++ b/demos/select.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>select demo</title>
-  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-select/mwc-select.js"></script>
   <script type="module" src="../node_modules/@material/mwc-icon/mwc-icon.js"></script>
   <link rel="stylesheet" href="demo-component.css">
diff --git a/demos/slider.html b/demos/slider.html
index 05e00791c..48d9c08be 100644
--- a/demos/slider.html
+++ b/demos/slider.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>slider demo</title>
-  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-slider/mwc-slider.js"></script>
   <script type="module" src="../node_modules/@material/mwc-icon/mwc-icon.js"></script>
   <link rel="stylesheet" href="demo-component.css">
diff --git a/demos/snackbar.html b/demos/snackbar.html
index 5d15b6c19..c6805f625 100644
--- a/demos/snackbar.html
+++ b/demos/snackbar.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>snackbar demo</title>
-  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-snackbar/mwc-snackbar.js"></script>
   <script type="module" src="../node_modules/@material/mwc-button/mwc-button.js"></script>
   <script type="module" src="../node_modules/@material/mwc-icon/mwc-icon.js"></script>
diff --git a/demos/switch.html b/demos/switch.html
index ffcf900f8..a4b43a946 100644
--- a/demos/switch.html
+++ b/demos/switch.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>switch demo</title>
-  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-switch/mwc-switch.js"></script>
   <script type="module" src="../node_modules/@material/mwc-icon/mwc-icon.js"></script>
   <link rel="stylesheet" href="demo-component.css">
diff --git a/demos/tabs.html b/demos/tabs.html
index 16514bfb4..dde04c441 100644
--- a/demos/tabs.html
+++ b/demos/tabs.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>tabs demo</title>
-  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-tabs/mwc-tab-bar-scroller.js"></script>
   <script type="module" src="../node_modules/@material/mwc-tabs/mwc-tab-bar.js"></script>
   <script type="module" src="../node_modules/@material/mwc-tabs/mwc-tab.js"></script>
diff --git a/demos/textfield.html b/demos/textfield.html
index eb84afab3..7b8928112 100644
--- a/demos/textfield.html
+++ b/demos/textfield.html
@@ -18,7 +18,7 @@ limitations under the License.
 <html>
 <head>
   <title>textfield demo</title>
-  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
+  <script  src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
   <script type="module" src="../node_modules/@material/mwc-textfield/mwc-textfield.js"></script>
   <script type="module" src="../node_modules/@material/mwc-icon/mwc-icon.js"></script>
   <link rel="stylesheet" href="demo-component.css">
diff --git a/package-lock.json b/package-lock.json
index ad07aa4ff..bf630d3b3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -102,13 +102,100 @@
       }
     },
     "@babel/helper-define-map": {
-      "version": "7.0.0-beta.46",
-      "resolved": "https://registry.npmjs.org/@babel/helper-define-map/-/helper-define-map-7.0.0-beta.46.tgz",
-      "integrity": "sha512-rhi59ZVj+bhrgxqLi9VQmQOadcK9rLCArY8zqyjPNjDIsCurCwtQztRWhlz6CwBEhE9FO/KbSa9OFQm7Kobk+w==",
+      "version": "7.0.0-beta.35",
+      "resolved": "https://registry.npmjs.org/@babel/helper-define-map/-/helper-define-map-7.0.0-beta.35.tgz",
+      "integrity": "sha512-bS+6/gvj/iq4TtGZuL2//X7RunihWjS+Hp2o/3cPopvU3CK9IPFPpPZc7NiqjPcvlUc47lzHRO+uk77GBONojQ==",
       "requires": {
-        "@babel/helper-function-name": "7.0.0-beta.46",
-        "@babel/types": "7.0.0-beta.46",
+        "@babel/helper-function-name": "7.0.0-beta.35",
+        "@babel/types": "7.0.0-beta.35",
         "lodash": "4.17.10"
+      },
+      "dependencies": {
+        "@babel/code-frame": {
+          "version": "7.0.0-beta.35",
+          "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0-beta.35.tgz",
+          "integrity": "sha512-l0SE8cl9DUIY4hYAFAKTLX3F2Yr14Qri7uTsuI7iegB5E4KyQy4XY72L3VOxmj6kwR/RDQURoKYr2NzyETGo7A==",
+          "requires": {
+            "chalk": "2.4.1",
+            "esutils": "2.0.2",
+            "js-tokens": "3.0.2"
+          }
+        },
+        "@babel/helper-function-name": {
+          "version": "7.0.0-beta.35",
+          "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.35.tgz",
+          "integrity": "sha512-+216NxQ7/Lvj+iehFBKEhYU/BQ1aqHTWz1bxCDiQWms0qi23iqHA4r+WdRKW/o5dAV5mlTUL4nCBFaNx8LNnRQ==",
+          "requires": {
+            "@babel/helper-get-function-arity": "7.0.0-beta.35",
+            "@babel/template": "7.0.0-beta.35",
+            "@babel/types": "7.0.0-beta.35"
+          }
+        },
+        "@babel/helper-get-function-arity": {
+          "version": "7.0.0-beta.35",
+          "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.35.tgz",
+          "integrity": "sha512-8co9nT1MgbNoGl6too2/jwldu5F7O1rMi+/QsM9bmFuCu76rU5okFWi4cb4Uv0WXZ4BWk6x+Lpdzzu7EgvkAwA==",
+          "requires": {
+            "@babel/types": "7.0.0-beta.35"
+          }
+        },
+        "@babel/template": {
+          "version": "7.0.0-beta.35",
+          "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.0.0-beta.35.tgz",
+          "integrity": "sha512-NLd3Dfs8hmkxPvaD8ohNtEp9WXp48lxpW//6fXcT9bJWIO3isrH3OTYL9kjX7xFPPasJ1E9bUNSaPFUUgvPZSQ==",
+          "requires": {
+            "@babel/code-frame": "7.0.0-beta.35",
+            "@babel/types": "7.0.0-beta.35",
+            "babylon": "7.0.0-beta.35",
+            "lodash": "4.17.10"
+          }
+        },
+        "@babel/types": {
+          "version": "7.0.0-beta.35",
+          "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.0.0-beta.35.tgz",
+          "integrity": "sha512-y9XT11CozHDgjWcTdxmhSj13rJVXpa5ZXwjjOiTedjaM0ba5ItqdS02t31EhPl7HtOWxsZkYCCUNrSfrOisA6w==",
+          "requires": {
+            "esutils": "2.0.2",
+            "lodash": "4.17.10",
+            "to-fast-properties": "2.0.0"
+          }
+        },
+        "ansi-styles": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+          "requires": {
+            "color-convert": "1.9.1"
+          }
+        },
+        "babylon": {
+          "version": "7.0.0-beta.35",
+          "resolved": "https://registry.npmjs.org/babylon/-/babylon-7.0.0-beta.35.tgz",
+          "integrity": "sha512-Y2o5scalPPlI6eOYMat6iqoM8akjqkAv9cXUN/7YNe3FANAsAGcF5L2u6XiUtBECvhyf7LeZYyzNYnjk43Vffg=="
+        },
+        "chalk": {
+          "version": "2.4.1",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.1.tgz",
+          "integrity": "sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==",
+          "requires": {
+            "ansi-styles": "3.2.1",
+            "escape-string-regexp": "1.0.5",
+            "supports-color": "5.4.0"
+          }
+        },
+        "supports-color": {
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+          "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
+          "requires": {
+            "has-flag": "3.0.0"
+          }
+        },
+        "to-fast-properties": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
+          "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4="
+        }
       }
     },
     "@babel/helper-explode-assignable-expression": {
@@ -177,11 +264,28 @@
       }
     },
     "@babel/helper-optimise-call-expression": {
-      "version": "7.0.0-beta.46",
-      "resolved": "https://registry.npmjs.org/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.0.0-beta.46.tgz",
-      "integrity": "sha512-PVd7/PGxi82pEKyuDcEpMmlenMLhJCII3lIK4MhXGWrT/6cNMpY6ob5rWOarpXgZjy+JNI5uLPOce28bqq0Wtw==",
+      "version": "7.0.0-beta.35",
+      "resolved": "https://registry.npmjs.org/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.0.0-beta.35.tgz",
+      "integrity": "sha512-hr/P3XTAtN5wppGLP4yrOUbvIyOQPmEG6EVsCSE5z0yUueNQzuCxXp0v7sx7/V+c0eP3XLy/lVsuM96cS3VUKQ==",
       "requires": {
-        "@babel/types": "7.0.0-beta.46"
+        "@babel/types": "7.0.0-beta.35"
+      },
+      "dependencies": {
+        "@babel/types": {
+          "version": "7.0.0-beta.35",
+          "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.0.0-beta.35.tgz",
+          "integrity": "sha512-y9XT11CozHDgjWcTdxmhSj13rJVXpa5ZXwjjOiTedjaM0ba5ItqdS02t31EhPl7HtOWxsZkYCCUNrSfrOisA6w==",
+          "requires": {
+            "esutils": "2.0.2",
+            "lodash": "4.17.10",
+            "to-fast-properties": "2.0.0"
+          }
+        },
+        "to-fast-properties": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
+          "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4="
+        }
       }
     },
     "@babel/helper-plugin-utils": {
@@ -210,14 +314,129 @@
       }
     },
     "@babel/helper-replace-supers": {
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+          "integrity": "sha1-SLaZwn4zS/ifEIkr5DL25MfTSn8="
+        },
         "find-replace": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/find-replace/-/find-replace-1.0.3.tgz",
@@ -10914,16 +11251,16 @@
       "resolved": "https://registry.npmjs.org/polymer-project-config/-/polymer-project-config-3.13.0.tgz",
       "integrity": "sha512-0E1iSOpo2xFMvMomSDFl48J8IOUWmM+sfHGJSQSVfIu8GXDgz2TVraad+rEMZDbj8uxiRFvQZyouHhikxhVFpQ==",
       "requires": {
-        "@types/node": "6.0.106",
+        "@types/node": "6.0.107",
         "jsonschema": "1.2.4",
         "minimatch-all": "1.1.0",
         "plylog": "0.5.0"
       },
       "dependencies": {
         "@types/node": {
-          "version": "6.0.106",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-6.0.106.tgz",
-          "integrity": "sha512-U4Zv5fx7letrisRv6HgSSPSY00FZM4NMIkilt+IAExvQLuNa6jYVwCKcnSs2NqTN4+KDl9PskvcCiMce9iePCA=="
+          "version": "6.0.107",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-6.0.107.tgz",
+          "integrity": "sha512-iuJWRFHqU0tFLCYH6cfBZzMxThAAsNK31FZxoq+fKIDOSZk1p+3IhNWfEdvPJfsQXcTq8z+57s8xjQlrDAB0Gw=="
         }
       }
     },
@@ -10944,7 +11281,7 @@
         "@types/parse5": "2.2.34",
         "@types/pem": "1.9.3",
         "@types/resolve": "0.0.6",
-        "@types/serve-static": "1.13.1",
+        "@types/serve-static": "1.13.2",
         "@types/spdy": "3.4.4",
         "@types/ua-parser-js": "0.7.32",
         "babylon": "6.18.0",
@@ -10965,7 +11302,7 @@
         "opn": "3.0.3",
         "parse5": "2.2.3",
         "pem": "1.12.5",
-        "polymer-build": "3.0.0-pre.14",
+        "polymer-build": "3.0.0-pre.15",
         "requirejs": "2.3.5",
         "resolve": "1.7.1",
         "send": "0.14.2",
@@ -11003,6 +11340,11 @@
             "typical": "2.6.1"
           }
         },
+        "deep-extend": {
+          "version": "0.4.2",
+          "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.4.2.tgz",
+          "integrity": "sha1-SLaZwn4zS/ifEIkr5DL25MfTSn8="
+        },
         "find-replace": {
           "version": "1.0.3",
           "resolved": "https://registry.npmjs.org/find-replace/-/find-replace-1.0.3.tgz",
@@ -11324,11 +11666,11 @@
       }
     },
     "rc": {
-      "version": "1.2.6",
-      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.6.tgz",
-      "integrity": "sha1-6xiYnG1PTxYsOZ953dKfODVWgJI=",
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.7.tgz",
+      "integrity": "sha512-LdLD8xD4zzLsAT5xyushXDNscEjB7+2ulnl8+r1pnESlYtlJtVSoCMBGr30eDRJ3+2Gq89jK9P9e4tCEH1+ywA==",
       "requires": {
-        "deep-extend": "0.4.2",
+        "deep-extend": "0.5.1",
         "ini": "1.3.5",
         "minimist": "1.2.0",
         "strip-json-comments": "2.0.1"
@@ -11533,7 +11875,7 @@
       "resolved": "https://registry.npmjs.org/registry-auth-token/-/registry-auth-token-3.3.2.tgz",
       "integrity": "sha512-JL39c60XlzCVgNrO+qq68FoNb56w/m7JYvGR2jT5iR1xBrUA3Mfx5Twk5rqTThPmQKMWydGmq8oFtDlxfrmxnQ==",
       "requires": {
-        "rc": "1.2.6",
+        "rc": "1.2.7",
         "safe-buffer": "5.1.2"
       }
     },
@@ -11542,7 +11884,7 @@
       "resolved": "https://registry.npmjs.org/registry-url/-/registry-url-3.1.0.tgz",
       "integrity": "sha1-PU74cPc93h138M+aOBQyRE4XSUI=",
       "requires": {
-        "rc": "1.2.6"
+        "rc": "1.2.7"
       }
     },
     "regjsgen": {
@@ -12458,7 +12800,7 @@
       "resolved": "https://registry.npmjs.org/source-map-resolve/-/source-map-resolve-0.5.1.tgz",
       "integrity": "sha512-0KW2wvzfxm8NCTb30z0LMNyPqWCdDGE2viwzUaucqJdkTRXtZiSY3I+2A6nVAjmdOy0I4gU8DwnVVGsk9jvP2A==",
       "requires": {
-        "atob": "2.1.0",
+        "atob": "2.1.1",
         "decode-uri-component": "0.2.0",
         "resolve-url": "0.2.1",
         "source-map-url": "0.4.0",
@@ -12868,7 +13210,7 @@
       "requires": {
         "ajv": "5.5.2",
         "ajv-keywords": "2.1.1",
-        "chalk": "2.4.0",
+        "chalk": "2.4.1",
         "lodash": "4.17.10",
         "slice-ansi": "1.0.0",
         "string-width": "2.1.1"
@@ -12883,9 +13225,9 @@
           }
         },
         "chalk": {
-          "version": "2.4.0",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.0.tgz",
-          "integrity": "sha512-Wr/w0f4o9LuE7K53cD0qmbAMM+2XNLzR29vFn5hqko4sxGlUsyy363NvmyGIyk5tpe9cjTr9SJYbysEyPkRnFw==",
+          "version": "2.4.1",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.1.tgz",
+          "integrity": "sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==",
           "requires": {
             "ansi-styles": "3.2.1",
             "escape-string-regexp": "1.0.5",
@@ -12908,17 +13250,10 @@
       "integrity": "sha512-MIhflPM38ejKrFwWwC3P9x3eHvMo5G5AmNo29Qtz2HpBl5KD2GCcmOErjgNtUQLv/qaqVDagfJY3rJLPDvEgLg==",
       "requires": {
         "array-back": "2.0.0",
-        "deep-extend": "0.5.0",
+        "deep-extend": "0.5.1",
         "lodash.padend": "4.6.1",
         "typical": "2.6.1",
         "wordwrapjs": "3.0.0"
-      },
-      "dependencies": {
-        "deep-extend": {
-          "version": "0.5.0",
-          "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.5.0.tgz",
-          "integrity": "sha1-bvSgmwX5iw41jW2T1Mo8rsZnKAM="
-        }
       }
     },
     "tapable": {
@@ -12937,13 +13272,16 @@
       }
     },
     "tar-stream": {
-      "version": "1.5.5",
-      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-1.5.5.tgz",
-      "integrity": "sha512-mQdgLPc/Vjfr3VWqWbfxW8yQNiJCbAZ+Gf6GDu1Cy0bdb33ofyiNGBtAY96jHFhDuivCwgW1H9DgTON+INiXgg==",
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-1.6.0.tgz",
+      "integrity": "sha512-lh2iAPG/BHNmN6WB9Ybdynk9rEJ5GD/dy4zscHmVlwa1dq2tpE+BH78i5vjYwYVWEaOXGBjzxr89aVACF17Cpw==",
       "requires": {
         "bl": "1.1.2",
+        "buffer-alloc": "1.1.0",
         "end-of-stream": "1.4.1",
+        "fs-constants": "1.0.0",
         "readable-stream": "2.3.6",
+        "to-buffer": "1.1.1",
         "xtend": "4.0.1"
       }
     },
@@ -13119,6 +13457,11 @@
       "resolved": "https://registry.npmjs.org/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz",
       "integrity": "sha1-fSKbH8xjfkZsoIEYCDanqr/4P0M="
     },
+    "to-buffer": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/to-buffer/-/to-buffer-1.1.1.tgz",
+      "integrity": "sha512-lx9B5iv7msuFYE3dytT+KE5tap+rNYw+K4jVkb9R/asAb+pbBSM17jtunHplhBe6RRJdZx3Pn2Jph24O32mOVg=="
+    },
     "to-fast-properties": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-1.0.3.tgz",
@@ -13478,9 +13821,9 @@
       "integrity": "sha1-0vD3N9FrBhXnKmk17QQhRXLVb5c="
     },
     "upath": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/upath/-/upath-1.0.4.tgz",
-      "integrity": "sha512-d4SJySNBXDaQp+DPrziv3xGS6w3d2Xt69FijJr86zMPBy23JEloMCEOUBBzuN7xCtjLCnmB9tI/z7SBCahHBOw=="
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/upath/-/upath-1.0.5.tgz",
+      "integrity": "sha512-qbKn90aDQ0YEwvXoLqj0oiuUYroLX2lVHZ+b+xwjozFasAOC4GneDq5+OaIG5Zj+jFmbz/uO+f7a9qxjktJQww=="
     },
     "update-notifier": {
       "version": "2.5.0",
@@ -13488,7 +13831,7 @@
       "integrity": "sha512-gwMdhgJHGuj/+wHJJs9e6PcCszpxR1b236igrOkUofGhqJuG+amlIKwApH1IW1WWl7ovZxsX49lMBWLxSdm5Dw==",
       "requires": {
         "boxen": "1.3.0",
-        "chalk": "2.4.0",
+        "chalk": "2.4.1",
         "configstore": "3.1.2",
         "import-lazy": "2.1.0",
         "is-ci": "1.1.0",
@@ -13508,9 +13851,9 @@
           }
         },
         "chalk": {
-          "version": "2.4.0",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.0.tgz",
-          "integrity": "sha512-Wr/w0f4o9LuE7K53cD0qmbAMM+2XNLzR29vFn5hqko4sxGlUsyy363NvmyGIyk5tpe9cjTr9SJYbysEyPkRnFw==",
+          "version": "2.4.1",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.1.tgz",
+          "integrity": "sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==",
           "requires": {
             "ansi-styles": "3.2.1",
             "escape-string-regexp": "1.0.5",
@@ -13703,7 +14046,7 @@
       "resolved": "https://registry.npmjs.org/vinyl/-/vinyl-2.1.0.tgz",
       "integrity": "sha1-Ah+cLPlR1rk5lDyJ617lrdT9kkw=",
       "requires": {
-        "clone": "2.1.2",
+        "clone": "2.1.1",
         "clone-buffer": "1.0.0",
         "clone-stats": "1.0.0",
         "cloneable-readable": "1.1.2",
@@ -13799,9 +14142,9 @@
       "integrity": "sha1-oW0CXrkxvQO1LzCMrtD0D86+lTI="
     },
     "watchpack": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-1.5.0.tgz",
-      "integrity": "sha512-RSlipNQB1u48cq0wH/BNfCu1tD/cJ8ydFIkNYhp9o+3d+8unClkIovpW5qpFPgmL9OE48wfAnlZydXByWP82AA==",
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-1.6.0.tgz",
+      "integrity": "sha512-i6dHe3EyLjMmDlU1/bGQpEw25XSjkJULPuAVKCbNRefQVq48yXKUpwg538F7AZTf9kyr57zj++pQFltUa5H7yA==",
       "requires": {
         "chokidar": "2.0.3",
         "graceful-fs": "4.1.11",
@@ -13862,7 +14205,7 @@
             "anymatch": "2.0.0",
             "async-each": "1.0.1",
             "braces": "2.3.2",
-            "fsevents": "1.2.2",
+            "fsevents": "1.2.3",
             "glob-parent": "3.1.0",
             "inherits": "2.0.3",
             "is-binary-path": "1.0.1",
@@ -13870,7 +14213,7 @@
             "normalize-path": "2.1.1",
             "path-is-absolute": "1.0.1",
             "readdirp": "2.1.0",
-            "upath": "1.0.4"
+            "upath": "1.0.5"
           }
         },
         "expand-brackets": {
@@ -14196,7 +14539,7 @@
         "acorn": "5.5.3",
         "acorn-dynamic-import": "2.0.2",
         "ajv": "6.4.0",
-        "ajv-keywords": "3.1.0",
+        "ajv-keywords": "3.2.0",
         "async": "2.6.0",
         "enhanced-resolve": "3.4.1",
         "escope": "3.6.0",
@@ -14212,7 +14555,7 @@
         "supports-color": "4.5.0",
         "tapable": "0.2.8",
         "uglifyjs-webpack-plugin": "0.4.6",
-        "watchpack": "1.5.0",
+        "watchpack": "1.6.0",
         "webpack-sources": "1.1.0",
         "yargs": "8.0.2"
       },
@@ -14229,9 +14572,9 @@
           }
         },
         "ajv-keywords": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-3.1.0.tgz",
-          "integrity": "sha1-rCsnk5xUPpXSwG5/f1wnvkqlQ74="
+          "version": "3.2.0",
+          "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-3.2.0.tgz",
+          "integrity": "sha1-6GuBnGAs+IIa1jdBNpjx3sAhhHo="
         },
         "camelcase": {
           "version": "4.1.0",
@@ -14456,7 +14799,7 @@
             "anymatch": "2.0.0",
             "async-each": "1.0.1",
             "braces": "2.3.2",
-            "fsevents": "1.2.2",
+            "fsevents": "1.2.3",
             "glob-parent": "3.1.0",
             "inherits": "2.0.3",
             "is-binary-path": "1.0.1",
@@ -14464,7 +14807,7 @@
             "normalize-path": "2.1.1",
             "path-is-absolute": "1.0.1",
             "readdirp": "2.1.0",
-            "upath": "1.0.4"
+            "upath": "1.0.5"
           }
         },
         "cliui": {
diff --git a/package.json b/package.json
index 074c7a212..aef5a27f2 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
     "update-styling": "./scripts/update-styling.sh"
   },
   "devDependencies": {
+    "@webcomponents/webcomponentsjs": "^2.0.0-0",
     "babel-core": "^6.22.1",
     "babel-loader": "^7.0.0",
     "babel-plugin-transform-object-assign": "^6.8.0",
diff --git a/packages/base/package.json b/packages/base/package.json
index 3ce5a5204..c84eec23b 100644
--- a/packages/base/package.json
+++ b/packages/base/package.json
@@ -8,6 +8,6 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   }
 }
diff --git a/packages/button/mwc-button.js b/packages/button/mwc-button.js
index dd94ed2ec..af47aadd2 100644
--- a/packages/button/mwc-button.js
+++ b/packages/button/mwc-button.js
@@ -60,7 +60,7 @@ export class Button extends LitElement {
     return style;
   }
 
-  render({raised, unelevated, stroked, dense, compact, disabled, icon, label}) {
+  _render({raised, unelevated, stroked, dense, compact, disabled, icon, label}) {
     const hostClasses = c$({
       'mdc-button--raised': raised,
       'mdc-button--unelevated': unelevated,
diff --git a/packages/button/package.json b/packages/button/package.json
index 99b23514d..be1d1608f 100644
--- a/packages/button/package.json
+++ b/packages/button/package.json
@@ -13,7 +13,7 @@
     "@material/mwc-base": "^0.1.0",
     "@material/mwc-icon": "^0.1.0",
     "@material/mwc-ripple": "^0.1.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1"
diff --git a/packages/card/mwc-card.js b/packages/card/mwc-card.js
index 2276695b8..7206b319c 100644
--- a/packages/card/mwc-card.js
+++ b/packages/card/mwc-card.js
@@ -33,7 +33,7 @@ export class Card extends LitElement {
     return style;
   }
 
-  render({stroke}) {
+  _render({stroke}) {
     return html`
       ${this._renderStyle()}
       <div class$="mdc-card ${stroke ? 'mdc-card--stroked' : ''}">
diff --git a/packages/card/package.json b/packages/card/package.json
index 7643ecfa6..d19c8f02a 100644
--- a/packages/card/package.json
+++ b/packages/card/package.json
@@ -9,7 +9,7 @@
   "author": "",
   "license": "Apache-2.0",
   "dependencies": {
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/card": "^0.35.0",
diff --git a/packages/checkbox/mwc-checkbox.js b/packages/checkbox/mwc-checkbox.js
index 862876477..14acb2ca1 100644
--- a/packages/checkbox/mwc-checkbox.js
+++ b/packages/checkbox/mwc-checkbox.js
@@ -59,7 +59,7 @@ export class Checkbox extends FormableComponentElement {
     return style;
   }
 
-  render({checked, value}) {
+  _render({checked, value}) {
     return html`
       ${this._renderStyle()}
       <div class="mdc-checkbox">
diff --git a/packages/checkbox/package.json b/packages/checkbox/package.json
index 42721236b..befab58b6 100644
--- a/packages/checkbox/package.json
+++ b/packages/checkbox/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "@material/checkbox": "^0.35.0",
     "@material/mwc-base": "^0.1.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1"
diff --git a/packages/chips/mwc-chip-set.js b/packages/chips/mwc-chip-set.js
index 241826780..f065324d3 100644
--- a/packages/chips/mwc-chip-set.js
+++ b/packages/chips/mwc-chip-set.js
@@ -53,7 +53,7 @@ export class ChipSet extends ComponentElement {
     return style;
   }
 
-  render({type}) {
+  _render({type}) {
     const hostClasses = c$({
       'mdc-chip-set--choice': type == 'choice',
       'mdc-chip-set--filter': type == 'filter',
diff --git a/packages/chips/mwc-chip.js b/packages/chips/mwc-chip.js
index df3ce5147..80f846d5f 100644
--- a/packages/chips/mwc-chip.js
+++ b/packages/chips/mwc-chip.js
@@ -53,7 +53,7 @@ export class Chip extends ComponentElement {
   }
 
   // TODO(sorvell): Note, nice to have vars for activated colors.
-  render({leadingIcon, trailingIcon, label}) {
+  _render({leadingIcon, trailingIcon, label}) {
     const leadingIconPart = leadingIcon ? html`<i class="material-icons mdc-chip__icon mdc-chip__icon--leading">${leadingIcon}</i>` : '';
     const trailingIconPart = trailingIcon ? html`<i class="material-icons mdc-chip__icon mdc-chip__icon--trailing">${trailingIcon}</i>` : '';
     // TODO(sorvell) #css: added display
diff --git a/packages/chips/package.json b/packages/chips/package.json
index 9980ca712..a8fe612ae 100644
--- a/packages/chips/package.json
+++ b/packages/chips/package.json
@@ -12,7 +12,7 @@
     "@material/chips": "^0.35.0",
     "@material/mwc-base": "^0.1.0",
     "@material/mwc-icon": "^0.1.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1"
diff --git a/packages/dialog/mwc-dialog.js b/packages/dialog/mwc-dialog.js
index cdef99d93..40726bee0 100644
--- a/packages/dialog/mwc-dialog.js
+++ b/packages/dialog/mwc-dialog.js
@@ -77,7 +77,7 @@ export class Dialog extends ComponentElement {
   // TODO(sorvell): DialogFoundation's `isOff` method does not work with Shadow DOM
   // because it assumes a parentNode is parentElement (thing you can call getComputedStyle on)
   // TODO(sorvell) #css: added custom property
-  render({headerLabel, acceptLabel, declineLabel, scrollable}) {
+  _render({headerLabel, acceptLabel, declineLabel, scrollable}) {
     return html`
       ${this._renderStyle()}
       <aside
diff --git a/packages/dialog/package.json b/packages/dialog/package.json
index 81ef055a9..d1bf8dde5 100644
--- a/packages/dialog/package.json
+++ b/packages/dialog/package.json
@@ -12,7 +12,7 @@
     "@material/dialog": "^0.35.0",
     "@material/mwc-base": "^0.1.0",
     "@material/mwc-button": "^0.1.0",
-    "@polymer/lit-element": "^0.3.0",
+    "@polymer/lit-element": "^0.4.0",
     "blocking-elements": "^0.0.2",
     "wicg-inert": "^1.1.6"
   },
diff --git a/packages/fab/mwc-fab.js b/packages/fab/mwc-fab.js
index b1d5162ad..ebef3e3a5 100644
--- a/packages/fab/mwc-fab.js
+++ b/packages/fab/mwc-fab.js
@@ -51,7 +51,7 @@ export class Fab extends LitElement {
     return style;
   }
 
-  render({icon, mini, exited, disabled}) {
+  _render({icon, mini, exited, disabled}) {
     const hostClasses = c$({
       'mdc-fab--mini': mini,
       'mdc-fab--exited': exited,
diff --git a/packages/fab/package.json b/packages/fab/package.json
index 55ada09d1..ddc6bda8f 100644
--- a/packages/fab/package.json
+++ b/packages/fab/package.json
@@ -13,7 +13,7 @@
     "@material/mwc-base": "^0.1.0",
     "@material/mwc-icon": "^0.1.0",
     "@material/mwc-ripple": "^0.1.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1"
diff --git a/packages/formfield/mwc-formfield.js b/packages/formfield/mwc-formfield.js
index a618313a6..1ac650a8a 100644
--- a/packages/formfield/mwc-formfield.js
+++ b/packages/formfield/mwc-formfield.js
@@ -53,7 +53,7 @@ export class Formfield extends ComponentElement {
     return style;
   }
 
-  render({label, alignEnd, _labelClickHandler}) {
+  _render({label, alignEnd, _labelClickHandler}) {
     return html`${this._renderStyle()}
       <div class$="mdc-form-field ${alignEnd ? 'mdc-form-field--align-end' : ''}">
         <slot></slot>
@@ -61,7 +61,7 @@ export class Formfield extends ComponentElement {
       </div>`;
   }
 
-  didRender(props, changed) {
+  _didRender(props, changed) {
     if ('label' in changed && this._input) {
       if (this._input.localName == 'input') {
         this._input.setAttribute('aria-label', props.label);
diff --git a/packages/formfield/package.json b/packages/formfield/package.json
index 379eb6dde..2e465a078 100644
--- a/packages/formfield/package.json
+++ b/packages/formfield/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "@material/form-field": "^0.35.0",
     "@material/mwc-base": "^0.1.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1"
diff --git a/packages/icon-toggle/mwc-icon-toggle.js b/packages/icon-toggle/mwc-icon-toggle.js
index e40a4f44e..4254d3c58 100644
--- a/packages/icon-toggle/mwc-icon-toggle.js
+++ b/packages/icon-toggle/mwc-icon-toggle.js
@@ -66,7 +66,7 @@ export class IconToggle extends ComponentElement {
   }
 
   // TODO(sorvell) #css: added display
-  render({on, disabled, icon, offIcon, label, offLabel}) {
+  _render({on, disabled, icon, offIcon, label, offLabel}) {
     offIcon = offIcon || icon;
     return html`
       ${this._renderStyle()}
@@ -80,7 +80,7 @@ export class IconToggle extends ComponentElement {
       </span>`;
   }
 
-  didRender(props, changed) {
+  _didRender(props, changed) {
     if ('icon' in changed || 'label' in changed ||
       'offIcon' in changed || 'offLabel' in changed) {
       this.componentReady().then((component) => component.refreshToggleData());
diff --git a/packages/icon-toggle/package.json b/packages/icon-toggle/package.json
index a3f6106fe..dd7d3876e 100644
--- a/packages/icon-toggle/package.json
+++ b/packages/icon-toggle/package.json
@@ -12,7 +12,7 @@
     "@material/icon-toggle": "^0.35.0",
     "@material/mwc-base": "^0.1.0",
     "@material/mwc-icon": "^0.1.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1"
diff --git a/packages/icon/mwc-icon.js b/packages/icon/mwc-icon.js
index 5193dff9b..88f985720 100644
--- a/packages/icon/mwc-icon.js
+++ b/packages/icon/mwc-icon.js
@@ -22,7 +22,7 @@ export class Icon extends LitElement {
   _renderStyle() {
     return style;
   }
-  render() {
+  _render() {
     return html`${this._renderStyle()}<slot></slot>`;
   }
 }
diff --git a/packages/icon/package.json b/packages/icon/package.json
index b5ded1171..31b3bf553 100644
--- a/packages/icon/package.json
+++ b/packages/icon/package.json
@@ -10,7 +10,7 @@
   "license": "ISC",
   "dependencies": {
     "@material/mwc-base": "^0.1.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1"
diff --git a/packages/linear-progress/mwc-linear-progress.js b/packages/linear-progress/mwc-linear-progress.js
index 9bdfde20b..5b47ce5da 100644
--- a/packages/linear-progress/mwc-linear-progress.js
+++ b/packages/linear-progress/mwc-linear-progress.js
@@ -53,7 +53,7 @@ export class LinearProgress extends ComponentElement {
     return style;
   }
 
-  render() {
+  _render() {
     return html`
       ${this._renderStyle()}
       <div role="progressbar" class="mdc-linear-progress">
@@ -68,7 +68,7 @@ export class LinearProgress extends ComponentElement {
       </div>`;
   }
 
-  async didRender(props, changed, old) {
+  async _didRender(props, changed, old) {
     if ('determinate' in changed) {
       await this.componentReady();
       this._component.determinate = props.determinate;
diff --git a/packages/linear-progress/package.json b/packages/linear-progress/package.json
index 3f240c9ff..759f1a765 100644
--- a/packages/linear-progress/package.json
+++ b/packages/linear-progress/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "@material/linear-progress": "^0.35.0",
     "@material/mwc-base": "^0.1.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1"
diff --git a/packages/list/mwc-list-item-separator.js b/packages/list/mwc-list-item-separator.js
index e7387008f..1197b84d9 100644
--- a/packages/list/mwc-list-item-separator.js
+++ b/packages/list/mwc-list-item-separator.js
@@ -22,7 +22,7 @@ export class ListItemSeparator extends LitElement {
     return style;
   }
 
-  render() {
+  _render() {
     return html`
       ${style}
       <div class="mdc-list-divider" role="separator"></div>`;
diff --git a/packages/list/mwc-list-item.js b/packages/list/mwc-list-item.js
index 3a4ed7090..c061b365d 100644
--- a/packages/list/mwc-list-item.js
+++ b/packages/list/mwc-list-item.js
@@ -39,7 +39,7 @@ export class ListItem extends LitElement {
   }
 
   // TODO(sorvell) #css: add styling for disabled.
-  render({label, icon, disabled}) {
+  _render({label, icon, disabled}) {
     renderAttributes(this, {'aria-disabled': disabled ? 'true' : null});
     return html`
       ${this._renderStyle()}
diff --git a/packages/list/package.json b/packages/list/package.json
index ccd6c1565..25c9208f7 100644
--- a/packages/list/package.json
+++ b/packages/list/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "@material/mwc-icon": "^0.1.0",
     "@material/list": "^0.35.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1"
diff --git a/packages/menu/mwc-menu.js b/packages/menu/mwc-menu.js
index 33a92a268..275b42586 100644
--- a/packages/menu/mwc-menu.js
+++ b/packages/menu/mwc-menu.js
@@ -81,7 +81,7 @@ export class Menu extends ComponentElement {
     return style;
   }
 
-  render() {
+  _render() {
     return html`
       ${this._renderStyle()}
       <div class="mdc-menu" tabindex="-1">
diff --git a/packages/menu/package.json b/packages/menu/package.json
index c0424eb31..7165de17d 100644
--- a/packages/menu/package.json
+++ b/packages/menu/package.json
@@ -12,7 +12,7 @@
     "@material/menu": "^0.35.0",
     "@material/mwc-base": "^0.1.0",
     "@material/mwc-list": "^0.1.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1",
diff --git a/packages/radio/mwc-radio.js b/packages/radio/mwc-radio.js
index 329441f70..3d514ff63 100644
--- a/packages/radio/mwc-radio.js
+++ b/packages/radio/mwc-radio.js
@@ -66,7 +66,7 @@ export class Radio extends FormableComponentElement {
     return style;
   }
 
-  render({checked, value, name}) {
+  _render({checked, value, name}) {
     return html`
       ${this._renderStyle()}
       <div class="mdc-radio">
diff --git a/packages/radio/package.json b/packages/radio/package.json
index 935a5c03e..065618f7b 100644
--- a/packages/radio/package.json
+++ b/packages/radio/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "@material/mwc-base": "^0.1.0",
     "@material/radio": "^0.35.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1"
diff --git a/packages/ripple/mwc-ripple.js b/packages/ripple/mwc-ripple.js
index 23ddceb95..887c7722e 100644
--- a/packages/ripple/mwc-ripple.js
+++ b/packages/ripple/mwc-ripple.js
@@ -84,7 +84,7 @@ export class Ripple extends LitElement {
   }
 
   // TODO(sorvell) #css: sizing.
-  render({primary, accent, unbounded}) {
+  _render({primary, accent, unbounded}) {
     const classes = c$({
       'mdc-ripple-surface--primary': primary,
       'mdc-ripple-surface--accent': accent,
diff --git a/packages/ripple/package.json b/packages/ripple/package.json
index f0196eafb..003134ade 100644
--- a/packages/ripple/package.json
+++ b/packages/ripple/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "@material/mwc-base": "^0.1.0",
     "@material/ripple": "^0.35.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1"
diff --git a/packages/select/mwc-select.js b/packages/select/mwc-select.js
index bc21cfa30..f883e04a5 100644
--- a/packages/select/mwc-select.js
+++ b/packages/select/mwc-select.js
@@ -67,7 +67,7 @@ export class Select extends LitElement {
   }
 
   // TODO(sorvell) #css: flex for sizing
-  render({label, disabled, box}) {
+  _render({label, disabled, box}) {
     return html`
       <style>
         :host {
diff --git a/packages/select/package.json b/packages/select/package.json
index 42a1d2eec..cf3710952 100644
--- a/packages/select/package.json
+++ b/packages/select/package.json
@@ -13,7 +13,7 @@
     "@material/mwc-list": "^0.1.0",
     "@material/mwc-menu": "^0.1.0",
     "@material/select": "^0.35.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1"
diff --git a/packages/slider/mwc-slider.js b/packages/slider/mwc-slider.js
index 2abb7a2bd..5e5fbe997 100644
--- a/packages/slider/mwc-slider.js
+++ b/packages/slider/mwc-slider.js
@@ -70,7 +70,7 @@ export class Slider extends FormableComponentElement {
   }
 
   // TODO(sorvell) #css: needs a default width
-  render({disabled, step, min, max, value, discrete, markers}) {
+  _render({disabled, step, min, max, value, discrete, markers}) {
     const hostClasses = c$({
       'mdc-slider--discrete': discrete,
       'mdc-slider--display-markers': markers && discrete,
diff --git a/packages/slider/package.json b/packages/slider/package.json
index 834c222b6..ebfd6083b 100644
--- a/packages/slider/package.json
+++ b/packages/slider/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "@material/mwc-base": "^0.1.0",
     "@material/slider": "^0.35.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1"
diff --git a/packages/snackbar/mwc-snackbar.js b/packages/snackbar/mwc-snackbar.js
index 9aee5daa3..30bc10911 100644
--- a/packages/snackbar/mwc-snackbar.js
+++ b/packages/snackbar/mwc-snackbar.js
@@ -56,7 +56,7 @@ export class Snackbar extends ComponentElement {
     return style;
   }
 
-  render({checked, value}) {
+  _render({checked, value}) {
     return html`${this._renderStyle()}
       <div class="mdc-snackbar"
         aria-live="assertive"
diff --git a/packages/snackbar/package.json b/packages/snackbar/package.json
index 2fa7f3faf..c26f9df2a 100644
--- a/packages/snackbar/package.json
+++ b/packages/snackbar/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "@material/mwc-base": "^0.1.0",
     "@material/snackbar": "^0.35.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1"
diff --git a/packages/switch/mwc-switch.js b/packages/switch/mwc-switch.js
index 90df539aa..1cf4ac5dc 100644
--- a/packages/switch/mwc-switch.js
+++ b/packages/switch/mwc-switch.js
@@ -34,7 +34,7 @@ export class Switch extends LitElement {
     return style;
   }
 
-  render({checked}) {
+  _render({checked}) {
     return html`
       ${this._renderStyle()}
       <div class="mdc-switch">
diff --git a/packages/switch/package.json b/packages/switch/package.json
index 8381ccff4..f4033ed6f 100644
--- a/packages/switch/package.json
+++ b/packages/switch/package.json
@@ -10,7 +10,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@material/mwc-base": "^0.1.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1",
diff --git a/packages/tabs/mwc-tab-bar-scroller.js b/packages/tabs/mwc-tab-bar-scroller.js
index 4b66eed01..592feb99d 100644
--- a/packages/tabs/mwc-tab-bar-scroller.js
+++ b/packages/tabs/mwc-tab-bar-scroller.js
@@ -63,7 +63,7 @@ export class TabBarScroller extends LitElement {
     return style;
   }
 
-  render() {
+  _render() {
     return html`
       ${this._renderStyle()}
       <div class="mdc-tab-bar-scroller">
@@ -89,7 +89,7 @@ export class TabBarScroller extends LitElement {
     await afterNextRender();
     await afterNextRender();
     this._makeComponent();
-    this.invalidate();
+    this._requestRender();
   }
 
   _makeComponent() {
diff --git a/packages/tabs/mwc-tab-bar.js b/packages/tabs/mwc-tab-bar.js
index cd649c696..ae2fc0f6c 100644
--- a/packages/tabs/mwc-tab-bar.js
+++ b/packages/tabs/mwc-tab-bar.js
@@ -50,7 +50,7 @@ export class TabBar extends LitElement {
   }
 
   // TODO(sorvell) #css: wrapping
-  render() {
+  _render() {
     return html`
       ${this._renderStyle()}
       <nav class="mdc-tab-bar">
@@ -59,7 +59,7 @@ export class TabBar extends LitElement {
       </nav>`;
   }
 
-  didRender({activeTabIndex}, changed, old) {
+  _didRender({activeTabIndex}, changed, old) {
     if (this._mdcComponent && (!old || (activeTabIndex !== old.activeTabIndex))) {
       this._mdcComponent.activeTabIndex = activeTabIndex;
     }
@@ -69,7 +69,7 @@ export class TabBar extends LitElement {
     super.ready();
     await afterNextRender();
     this._makeComponent();
-    this.invalidate();
+    this._requestRender();
   }
 
   _makeComponent() {
diff --git a/packages/tabs/mwc-tab.js b/packages/tabs/mwc-tab.js
index 9b65ab80e..42cf0a215 100644
--- a/packages/tabs/mwc-tab.js
+++ b/packages/tabs/mwc-tab.js
@@ -43,7 +43,7 @@ export class Tab extends LitElement {
   }
 
   // TODO(sorvell) #css: sizing with display:table!
-  render({icon, label, href}) {
+  _render({icon, label, href}) {
     return html`
       ${this._renderStyle()}
       <style>
diff --git a/packages/tabs/package.json b/packages/tabs/package.json
index 3c3224b94..b084441a3 100644
--- a/packages/tabs/package.json
+++ b/packages/tabs/package.json
@@ -12,7 +12,7 @@
     "@material/mwc-base": "^0.1.0",
     "@material/mwc-icon": "^0.1.0",
     "@material/tabs": "^0.35.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1"
diff --git a/packages/textfield/mwc-textfield.js b/packages/textfield/mwc-textfield.js
index 6321eeb67..4ebd358f3 100644
--- a/packages/textfield/mwc-textfield.js
+++ b/packages/textfield/mwc-textfield.js
@@ -73,7 +73,7 @@ export class Textfield extends ComponentElement {
   }
 
   // TODO(sorvell) #css: styling for fullwidth
-  render({value, label, box, outlined, disabled, icon, iconTrailing, fullWidth, required, placeHolder, helperText, type}) {
+  _render({value, label, box, outlined, disabled, icon, iconTrailing, fullWidth, required, placeHolder, helperText, type}) {
     const hostClasses = c$({
       'mdc-text-field--with-leading-icon': icon && !iconTrailing,
       'mdc-text-field--with-trailing-icon': icon && iconTrailing,
diff --git a/packages/textfield/package.json b/packages/textfield/package.json
index f7044cc27..5b62a7d83 100644
--- a/packages/textfield/package.json
+++ b/packages/textfield/package.json
@@ -12,7 +12,7 @@
     "@material/mwc-base": "^0.1.0",
     "@material/mwc-icon": "^0.1.0",
     "@material/textfield": "^0.35.0",
-    "@polymer/lit-element": "^0.3.0"
+    "@polymer/lit-element": "^0.4.0"
   },
   "devDependencies": {
     "@material/mwc-sass-render": "^0.0.1"
diff --git a/packages/typography/package.json b/packages/typography/package.json
index 0a553ed03..0c2fc968e 100644
--- a/packages/typography/package.json
+++ b/packages/typography/package.json
@@ -9,7 +9,7 @@
   "author": "",
   "license": "Apache-2.0",
   "dependencies": {
-    "@polymer/lit-element": "^0.3.0",
+    "@polymer/lit-element": "^0.4.0",
     "@material/mwc-icon": "^0.1.0"
   },
   "devDependencies": {
