diff --git a/package.json b/package.json
index e8f105efaf..61462accd0 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "amplitude-js": "^4.6.0-beta.2",
     "apidoc": "^0.17.5",
     "apn": "^2.2.0",
-    "autoprefixer": "^8.5.0",
+    "autoprefixer": "^9.4.0",
     "aws-sdk": "^2.400.0",
     "axios": "^0.18.0",
     "axios-progress-bar": "^1.2.0",