diff --git a/package.json b/package.json
index 170a2db..ea918f1 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "lerna": "^2.11.0",
     "mocha": "^5.2.0",
     "power-assert": "^1.5.0",
-    "prettier": "^1.13.3",
+    "prettier": "^1.13.4",
     "rimraf": "^2.6.2",
     "stylelint": "^9.2.1",
     "stylelint-config-prettier": "^3.2.0",
diff --git a/packages/marp/package.json b/packages/marp/package.json
index 6dc870f..89487c1 100644
--- a/packages/marp/package.json
+++ b/packages/marp/package.json
@@ -24,7 +24,7 @@
     "watch": "node ../../rollup_watch.js"
   },
   "devDependencies": {
-    "autoprefixer": "^8.5.2",
+    "autoprefixer": "^8.6.0",
     "cheerio": "^1.0.0-rc.2",
     "github-markdown-css": "^2.10.0",
     "node-sass": "^4.9.0",
@@ -33,7 +33,7 @@
     "rollup-plugin-postcss": "^1.6.2"
   },
   "dependencies": {
-    "@marp-team/marpit": "^0.0.6",
+    "@marp-team/marpit": "^0.0.7",
     "highlight.js": "^9.12.0",
     "markdown-it-emoji": "^1.4.0"
   }
diff --git a/yarn.lock b/yarn.lock
index d456653..525be88 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -568,12 +568,12 @@
     lodash "^4.17.5"
     to-fast-properties "^2.0.0"
 
-"@marp-team/marpit@^0.0.6":
-  version "0.0.6"
-  resolved "https://registry.yarnpkg.com/@marp-team/marpit/-/marpit-0.0.6.tgz#ace18e1b78eb924361749e91f5c00a48a784c963"
+"@marp-team/marpit@^0.0.7":
+  version "0.0.7"
+  resolved "https://registry.yarnpkg.com/@marp-team/marpit/-/marpit-0.0.7.tgz#06de9716a5c30d35773b098800812292a382a1ce"
   dependencies:
     emoji-regex "^6.5.1"
-    js-yaml "^3.11.0"
+    js-yaml "^3.12.0"
     lodash.kebabcase "^4.1.1"
     markdown-it "^8.4.1"
     markdown-it-front-matter "^0.1.2"
@@ -847,12 +847,12 @@ autoprefixer@^8.0.0:
     postcss "^6.0.20"
     postcss-value-parser "^3.2.3"
 
-autoprefixer@^8.5.2:
-  version "8.5.2"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-8.5.2.tgz#52d86a5ea51a6191024d843f88f2748ce3ab39e5"
+autoprefixer@^8.6.0:
+  version "8.6.0"
+  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-8.6.0.tgz#6da6b0791e15cb0ebf33c3f299414afd340672c0"
   dependencies:
     browserslist "^3.2.8"
-    caniuse-lite "^1.0.30000846"
+    caniuse-lite "^1.0.30000847"
     normalize-range "^0.1.2"
     num2fraction "^1.2.2"
     postcss "^6.0.22"
@@ -1124,10 +1124,14 @@ caniuse-lite@^1.0.30000817, caniuse-lite@^1.0.30000819:
   version "1.0.30000820"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000820.tgz#6e36ee75187a2c83d26d6504a1af47cc580324d2"
 
-caniuse-lite@^1.0.30000844, caniuse-lite@^1.0.30000846:
+caniuse-lite@^1.0.30000844:
   version "1.0.30000847"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000847.tgz#be77f439be29bbc57ae08004b1e470b653b1ec1d"
 
+caniuse-lite@^1.0.30000847:
+  version "1.0.30000848"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000848.tgz#ec9c0a72ec8f9ef812e4f4b8628625af9c85ade0"
+
 capture-stack-trace@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/capture-stack-trace/-/capture-stack-trace-1.0.0.tgz#4a6fa07399c26bba47f0b2496b4d0fb408c5550d"
@@ -3343,7 +3347,14 @@ js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
-js-yaml@^3.11.0, js-yaml@^3.4.3, js-yaml@^3.9.0, js-yaml@^3.9.1:
+js-yaml@^3.12.0:
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.12.0.tgz#eaed656ec8344f10f527c6bfa1b6e2244de167d1"
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
+
+js-yaml@^3.4.3, js-yaml@^3.9.0, js-yaml@^3.9.1:
   version "3.11.0"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.11.0.tgz#597c1a8bd57152f26d622ce4117851a51f5ebaef"
   dependencies:
@@ -4855,9 +4866,9 @@ prettier@^1.11.1:
   version "1.11.1"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.11.1.tgz#61e43fc4cd44e68f2b0dfc2c38cd4bb0fccdcc75"
 
-prettier@^1.13.3:
-  version "1.13.3"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.13.3.tgz#e74c09a7df6519d472ca6febaa37cf7addb48a20"
+prettier@^1.13.4:
+  version "1.13.4"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.13.4.tgz#31bbae6990f13b1093187c731766a14036fa72e6"
 
 private@^0.1.6:
   version "0.1.8"