diff --git a/package.json b/package.json
index ac2f04f..629d257 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "browserify": "13.0.0",
-    "bundle-collapser": "1.2.1",
+    "bundle-collapser": "1.4.0",
     "chance-generators": "1.18.0",
     "coveralls": "2.11.6",
     "eslint": "2.13.1",