diff --git a/tgui/package.json b/tgui/package.json
index dd98b343dc..d9802fa644 100644
--- a/tgui/package.json
+++ b/tgui/package.json
@@ -34,7 +34,7 @@
     "minimist": "1.2.5",
     "paths-js": "0.4.2",
     "pleeease-filters": "2.0.0",
-    "postcss": "5.0.16",
+    "postcss": "8.4.31",
     "postcss-color-rgba-fallback": "2.2.0",
     "postcss-filter-gradient": "0.2.2",
     "postcss-font-weights": "2.0.1",