diff --git a/package.json b/package.json
index 01bc40b..7a2ada3 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "autoprefixer": "^9.8.6",
     "babel-preset-env": "^1.7.0",
     "node-sass": "^4.9.0",
-    "postcss-modules": "^1.1.0",
+    "postcss-modules": "^4.2.2",
     "react": "^16.2.0",
     "react-dom": "^16.2.0"
   },