diff --git a/packages/gatsby/package.json b/packages/gatsby/package.json
index e5564c27a077b..ba9c9abe0c75f 100644
--- a/packages/gatsby/package.json
+++ b/packages/gatsby/package.json
@@ -81,7 +81,7 @@
     "parse-filepath": "^1.0.1",
     "path-exists": "^3.0.0",
     "postcss-browser-reporter": "^0.5.0",
-    "postcss-cssnext": "^2.8.0",
+    "postcss-cssnext": "^3.0.0",
     "postcss-import": "^8.2.0",
     "postcss-loader": "^0.13.0",
     "postcss-reporter": "^1.4.1",