diff --git a/package.json b/package.json
index 76aef3608..cd48e8cd6 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "@wordpress/components": "^25.16.0",
     "@wordpress/scripts": "^27.3.0",
     "@wordpress/server-side-render": "^4.30.0",
-    "autoprefixer": "10.4.16",
+    "autoprefixer": "10.4.20",
     "babel-loader": "8.2.5",
     "babel-plugin-transform-react-jsx": "6.24.1",
     "babel-preset-env": "1.7.0",