diff --git a/package.json b/package.json
index 54d7db46d2..158f334aa4 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "async": "1.5.0",
     "bluebird": "^3.0.5",
     "browserify": "12.0.1",
-    "closure-util": "1.8.0",
+    "closure-util": "1.9.0",
     "derequire": "2.0.3",
     "fs-extra": "0.26.0",
     "glob": "5.0.15",