diff --git a/package.json b/package.json
index 280dd80..19b0d0f 100644
--- a/package.json
+++ b/package.json
@@ -136,7 +136,7 @@
     "postcss-browser-reporter": "0.5.0",
     "postcss-cssnext": "3.0.2",
     "postcss-loader": "2.0.7",
-    "postcss-reduce-idents": "4.0.0-rc.2",
+    "postcss-reduce-idents": "4.0.0",
     "postcss-url": "7.1.2",
     "progress-bar-webpack-plugin": "1.10.0",
     "protractor": "5.1.2",