diff --git a/package.json b/package.json
index 671fdec..ae5c457 100644
--- a/package.json
+++ b/package.json
@@ -28,13 +28,13 @@
     "test": "grunt test"
   },
   "dependencies": {
-    "typedoc": "^0.4.1"
+    "typedoc": "^0.19.2"
   },
   "devDependencies": {
-    "grunt": "^1.0.1",
-    "grunt-cli": "^1.2.0",
-    "grunt-contrib-clean": "^1.0.0",
-    "grunt-contrib-jshint": "^1.0.0",
-    "recursive-readdir": "^2.0.0"
+    "grunt": "^1.4.1",
+    "grunt-cli": "^1.4.3",
+    "grunt-contrib-clean": "^2.0.0",
+    "grunt-contrib-jshint": "^3.1.1",
+    "recursive-readdir": "^2.2.2"
   }
 }