diff --git a/package.json b/package.json
index 3689413d..68e2a424 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   "devDependencies": {
     "jasmine-browser-runner": "^2.1.0",
     "jasmine-core": "^5.1.0",
-    "postcss": "^8.4.28",
+    "postcss": "^8.4.29",
     "standardx": "^7.0.0",
     "stylelint": "^14.16.1",
     "stylelint-config-gds": "^0.3.0"
diff --git a/yarn.lock b/yarn.lock
index 831beb4b..01785f59 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2014,10 +2014,10 @@ postcss-value-parser@^4.1.0, postcss-value-parser@^4.2.0:
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz#723c09920836ba6d3e5af019f92bc0971c02e514"
   integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
 
-postcss@^8.4.19, postcss@^8.4.28:
-  version "8.4.28"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.28.tgz#c6cc681ed00109072816e1557f889ef51cf950a5"
-  integrity sha512-Z7V5j0cq8oEKyejIKfpD8b4eBy9cwW2JWPk0+fB1HOAMsfHbnAXLLS+PfVWlzMSLQaWttKDt607I0XHmpE67Vw==
+postcss@^8.4.19, postcss@^8.4.29:
+  version "8.4.29"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.29.tgz#33bc121cf3b3688d4ddef50be869b2a54185a1dd"
+  integrity sha512-cbI+jaqIeu/VGqXEarWkRCCffhjgXc0qjBtXpqJhTBohMUjUQnbBr0xqX3vEKudc4iviTewcJo5ajcec5+wdJw==
   dependencies:
     nanoid "^3.3.6"
     picocolors "^1.0.0"