diff --git a/packages/react-scripts/package.json b/packages/react-scripts/package.json
index 1c56f4cf583..a878abbf5a2 100644
--- a/packages/react-scripts/package.json
+++ b/packages/react-scripts/package.json
@@ -51,7 +51,7 @@
     "http-proxy-middleware": "0.17.3",
     "jest": "18.1.0",
     "object-assign": "4.1.1",
-    "postcss-cssnext": "^2.9.0",
+    "postcss-cssnext": "^3.0.0",
     "postcss-import": "^9.0.0",
     "postcss-loader": "1.3.3",
     "postcss-modules-local-by-default": "^1.1.1",