diff --git a/types/css-minimizer-webpack-plugin/package.json b/types/css-minimizer-webpack-plugin/package.json
index 0818d81aa3b961..24f836f17a36c4 100644
--- a/types/css-minimizer-webpack-plugin/package.json
+++ b/types/css-minimizer-webpack-plugin/package.json
@@ -1,6 +1,6 @@
 {
     "private": true,
     "dependencies": {
-        "postcss": "7.0.32"
+        "postcss": "8.4.31"
     }
 }