diff --git a/package.json b/package.json
index 51b688dc03dd..73c873536fd1 100644
--- a/package.json
+++ b/package.json
@@ -113,7 +113,7 @@
     "modularscale-sass": "^3.0.3",
     "node-fetch": "^3.2.3",
     "npm-run-all": "^4.1.1",
-    "postcss": "^8.4.8",
+    "postcss": "^8.4.12",
     "postcss-loader": "^6.2.1",
     "prettier": "^2.5.1",
     "react-refresh": "^0.11.0",
diff --git a/yarn.lock b/yarn.lock
index edfa286864a9..9e6b67682041 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9815,10 +9815,10 @@ postcss@^5.0.8, postcss@^5.2.4:
     source-map "^0.5.6"
     supports-color "^3.2.3"
 
-postcss@^8.3.10, postcss@^8.3.5, postcss@^8.4.6, postcss@^8.4.7, postcss@^8.4.8:
-  version "8.4.8"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.8.tgz#dad963a76e82c081a0657d3a2f3602ce10c2e032"
-  integrity sha512-2tXEqGxrjvAO6U+CJzDL2Fk2kPHTv1jQsYkSoMeOis2SsYaXRO2COxTdQp99cYvif9JTXaAk9lYGc3VhJt7JPQ==
+postcss@^8.3.10, postcss@^8.3.5, postcss@^8.4.12, postcss@^8.4.6, postcss@^8.4.7:
+  version "8.4.12"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.12.tgz#1e7de78733b28970fa4743f7da6f3763648b1905"
+  integrity sha512-lg6eITwYe9v6Hr5CncVbK70SoioNQIq81nsaG86ev5hAidQvmOeETBqs7jm43K2F5/Ley3ytDtriImV6TpNiSg==
   dependencies:
     nanoid "^3.3.1"
     picocolors "^1.0.0"