diff --git a/package.json b/package.json
index b8e0beb..97ec0cf 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
 
   "dependencies": {},
   "devDependencies": {
-    "uglify-js": ">=1.0.2"
+    "uglify-js": "<=1.0.2"
   },
 
   "licenses": [