diff --git a/package.json b/package.json
index 64269a3ab3b7..c6b5a745a8a5 100644
--- a/package.json
+++ b/package.json
@@ -219,7 +219,7 @@
         "jsdom": "^26.0.0",
         "jsonwebtoken": "9.0.2",
         "playwright": "^1.57.0",
-        "postcss": "^8.5.1",
+        "postcss": "^8.5.10",
         "postcss-loader": "^8.1.1",
         "pretty": "2.0.0",
         "process": "0.11.10",
diff --git a/yarn.lock b/yarn.lock
index 9c8535d50a94..20efae6cb1a7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13340,10 +13340,10 @@ postcss-value-parser@^4.0.0, postcss-value-parser@^4.1.0, postcss-value-parser@^
   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@^8.4.47, postcss@^8.5.1, postcss@^8.5.6:
-  version "8.5.6"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.6.tgz#2825006615a619b4f62a9e7426cc120b349a8f3c"
-  integrity sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg==
+postcss@^8.4.21, postcss@^8.4.47, postcss@^8.5.10, postcss@^8.5.6:
+  version "8.5.10"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.10.tgz#8992d8c30acf3f12169e7c09514a12fed7e48356"
+  integrity sha512-pMMHxBOZKFU6HgAZ4eyGnwXF/EvPGGqUr0MnZ5+99485wwW41kW91A4LOGxSHhgugZmSChL5AlElNdwlNgcnLQ==
   dependencies:
     nanoid "^3.3.11"
     picocolors "^1.1.1"