diff --git a/packages/sui-bundler/package.json b/packages/sui-bundler/package.json
index e8a6826f8..c68e2b4e1 100644
--- a/packages/sui-bundler/package.json
+++ b/packages/sui-bundler/package.json
@@ -39,7 +39,7 @@
     "html-webpack-plugin": "5.5.0",
     "https-browserify": "1.0.0",
     "mini-css-extract-plugin": "2.6.1",
-    "postcss": "8.4.16",
+    "postcss": "8.4.31",
     "postcss-loader": "7.0.1",
     "process": "0.11.10",
     "sass": "1.54.5",