diff --git a/install/package.json b/install/package.json
index c42d27d2d0..0177f8a720 100644
--- a/install/package.json
+++ b/install/package.json
@@ -110,7 +110,7 @@
         "passport-local": "1.0.0",
         "pg": "8.8.0",
         "pg-cursor": "2.7.4",
-        "postcss": "8.4.17",
+        "postcss": "8.4.18",
         "postcss-clean": "1.2.0",
         "prompt": "1.3.0",
         "ioredis": "5.2.3",