diff --git a/test/package.json b/test/package.json
index 0999eb4..ee8b3a5 100644
--- a/test/package.json
+++ b/test/package.json
@@ -15,7 +15,7 @@
     "autoprefixer": "10.4.15",
     "eslint": "8.48.0",
     "eslint-config-next": "13.5.1",
-    "postcss": "8.4.29",
+    "postcss": "8.4.31",
     "typescript": "5.2.2"
   },
   "dependencies": {