diff --git a/package.json b/package.json
index 767e550..a1e362f 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,7 @@
         "mkdirp": "0.5.1",
         "ncp": "2.0.0",
         "parallelshell": "1.2.0",
-        "postcss": "8.3.5",
+        "postcss": "8.4.31",
         "postcss-loader": "6.1.0",
         "postcss-prefix-selector": "1.10.0",
         "process": "0.11.10",