diff --git a/packages/gatsby/package.json b/packages/gatsby/package.json
index 5f4eb36c390e3..2fca7f7abf50d 100644
--- a/packages/gatsby/package.json
+++ b/packages/gatsby/package.json
@@ -22,7 +22,7 @@
     "@babel/runtime": "^7.0.0",
     "@babel/traverse": "^7.0.0",
     "@reach/router": "^1.1.1",
-    "autoprefixer": "^8.6.5",
+    "autoprefixer": "^9.0.0",
     "babel-core": "7.0.0-bridge.0",
     "babel-eslint": "^8.2.2",
     "babel-loader": "8.0.0-beta.4",