diff --git a/package.json b/package.json
index 318a336..a0f952f 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,6 @@
   "homepage": "https://scratchblocks.github.io/",
   "devDependencies": {
     "uglify-js": "^2.6.1",
-    "cleancss": "^3.4.9"
+    "clean-css": "^3.4.9"
   }
 }