diff --git a/.gitignore b/.gitignore
index 02f13db..3bd52a1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
 elm-stuff
-elm.json
+elm.js
diff --git a/elm.json b/elm.json
new file mode 100644
index 0000000..e99e8c6
--- /dev/null
+++ b/elm.json
@@ -0,0 +1,27 @@
+{
+    "type": "package",
+    "name": "ilyakooo0/airlock",
+    "summary": "Urbit airlock",
+    "license": "MIT",
+    "version": "1.0.0",
+    "exposed-modules": [
+        "Urbit"
+    ],
+    "elm-version": "0.19.0 <= v < 0.20.0",
+    "dependencies": {
+        "TSFoster/elm-bytes-extra": "1.3.0 <= v < 1.4.0",
+        "chelovek0v/bbase64": "1.0.1 <= v < 2.0.0",
+        "elm/browser": "1.0.2 <= v < 2.0.0",
+        "elm/bytes": "1.0.8 <= v < 2.0.0",
+        "elm/core": "1.0.0 <= v < 1.0.5",
+        "elm/html": "1.0.0 <= v < 2.0.0",
+        "elm/http": "2.0.0 <= v < 3.0.0",
+        "elm/json": "1.1.3 <= v < 2.0.0",
+        "elm/url": "1.0.0 <= v < 2.0.0",
+        "elm-community/list-extra": "8.7.0 <= v < 9.0.0",
+        "elm-community/maybe-extra": "5.3.0 <= v < 6.0.0"
+    },
+    "test-dependencies": {
+        "elm-explorations/test": "2.1.1 <= v < 3.0.0"
+    }
+}