diff --git a/mdl/package.json b/mdl/package.json
index e3064d4..d186335 100644
--- a/mdl/package.json
+++ b/mdl/package.json
@@ -16,7 +16,7 @@
     "chai-jquery": "2.1.0",
     "del": "2.2.2",
     "drool": "0.4.0",
-    "escodegen": "1.10.0",
+    "escodegen": "1.14.3",
     "google-closure-compiler": "",
     "gulp": "3.9.1",
     "gulp-autoprefixer": "3.1.1",