diff --git a/package.json b/package.json
index 412de5c0ad..e74d2c38f9 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
     "js-yaml": "^4.1.0",
     "jsdom": "^24.1.0",
     "node-fetch": "^3.3.0",
-    "postcss": "^8.4.21",
+    "postcss": "^8.5.5",
     "postcss-minify": "^1.1.0",
     "postcss-url": "^10.1.3",
     "prettier": "^3.3.3",
diff --git a/yarn.lock b/yarn.lock
index aa034e3b99..0177ab7da1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7856,7 +7856,7 @@ postcss-value-parser@^4.0.0, postcss-value-parser@^4.1, postcss-value-parser@^4.
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz#723c09920836ba6d3e5af019f92bc0971c02e514"
   integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
 
-postcss@^8.4.21:
+postcss@^8.4.23:
   version "8.4.38"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.38.tgz#b387d533baf2054288e337066d81c6bee9db9e0e"
   integrity sha512-Wglpdk03BSfXkHoQa3b/oulrotAkwrlLDRSOb9D0bN86FdRyE9lppSp33aHNPgBa0JKCoB+drFLZkQoRRYae5A==
@@ -7865,10 +7865,10 @@ postcss@^8.4.21:
     picocolors "^1.0.0"
     source-map-js "^1.2.0"
 
-postcss@^8.4.41, postcss@^8.4.47:
-  version "8.5.6"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.6.tgz#2825006615a619b4f62a9e7426cc120b349a8f3c"
-  integrity sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg==
+postcss@^8.5.5:
+  version "8.5.5"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.5.tgz#04de7797f6911fb1c96550e96616d08681537ef3"
+  integrity sha512-d/jtm+rdNT8tpXuHY5MMtcbJFBkhXE6593XVR9UoGCH8jSFGci7jGvMGH5RYd5PBJW+00NZQt6gf7CbagJCrhg==
   dependencies:
     nanoid "^3.3.11"
     picocolors "^1.1.1"