diff --git a/package.json b/package.json
index fb9c09649f476..06a4b96f43fe9 100644
--- a/package.json
+++ b/package.json
@@ -216,7 +216,7 @@
 		"node-watch": "0.7.0",
 		"npm-run-all": "4.1.5",
 		"patch-package": "6.2.2",
-		"postcss": "8.4.16",
+		"postcss": "8.4.31",
 		"postcss-loader": "6.2.1",
 		"prettier": "npm:wp-prettier@2.8.5",
 		"progress": "2.0.3",