diff --git a/package.json b/package.json
index beffe24..949da91 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "chai": "^4.1.0",
     "coffee-script": "^1.11.1",
     "cross-env": "^5.1.0",
-    "css-loader": "~0.28.7",
+    "css-loader": "~3.5.3",
     "del": "^3.0.0",
     "del-cli": "^1.1.0",
     "eslint": "^4.19.0",