diff --git a/package.json b/package.json
index 4c347d38d..1b4a4934f 100644
--- a/package.json
+++ b/package.json
@@ -102,7 +102,7 @@
     "@webpack-blocks/extract-text2": "^0.4.0",
     "@webpack-blocks/postcss": "^0.4.3",
     "@webpack-blocks/webpack2": "^0.4.0",
-    "autoprefixer": "^7.1.0",
+    "autoprefixer": "^9.0.0",
     "babel-loader": "^7.0.0",
     "babel-plugin-jsx-pragmatic": "^1.0.2",
     "babel-plugin-transform-decorators-legacy": "^1.3.4",