diff --git a/.npmignore b/.npmignore
index 78a8d45..a1369f2 100644
--- a/.npmignore
+++ b/.npmignore
@@ -12,3 +12,4 @@ esprima.js
 /test/
 /cover_html/
 /.coverage_data/
+/out/
diff --git a/package.json b/package.json
index 80ea0c8..96ef8fd 100644
--- a/package.json
+++ b/package.json
@@ -25,11 +25,12 @@
     "jshint": "~1.1.0",
     "grunt-mocha-test": "~0.6.3",
     "grunt-cli": "~0.1.9",
-    "grunt": "~0.4.1",
+    "grunt": "~0.4.2",
     "grunt-contrib-jshint": "~0.6.3",
     "coffee-script": "~1.6.3",
     "chai": "~1.7.2",
-    "esprima": "~1.0.3"
+    "esprima": "~1.0.3",
+    "jsdoc": "~3.3.0-alpha2"
   },
   "licenses": [
     {
@@ -40,6 +41,7 @@
   "scripts": {
     "test": "grunt travis",
     "unit-test": "grunt test",
-    "lint": "grunt lint"
+    "lint": "grunt lint",
+    "jsdoc": "jsdoc escope.js README.md"
   }
 }