diff --git a/package.json b/package.json
index 33cd46d1..790e9bd3 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "eslint-plugin-cypress": "^4.1.0",
     "eslint-plugin-vue": "^9.32.0",
     "glob": "^11.0.1",
-    "postcss": "^8.5.1",
+    "postcss": "^8.5.3",
     "prettier": "^3.4.2",
     "quasar-app-extension-ssg": "^5.1.1",
     "vite-plugin-sitemap": "^0.7.1"
diff --git a/yarn.lock b/yarn.lock
index 7155199c..943f3177 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5704,10 +5704,10 @@ 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@^8.4.13, postcss@^8.4.21, postcss@^8.4.48, postcss@^8.5.1:
-  version "8.5.1"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.1.tgz#e2272a1f8a807fafa413218245630b5db10a3214"
-  integrity sha512-6oz2beyjc5VMn/KV1pPw8fliQkhBXrVn1Z3TVyqZxU8kZpzEKhBdmCFqI6ZbmGtamQvQGuU1sgPTk8ZrXDD7jQ==
+postcss@^8.4.13, postcss@^8.4.21, postcss@^8.4.48, postcss@^8.5.3:
+  version "8.5.3"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.3.tgz#1463b6f1c7fb16fe258736cba29a2de35237eafb"
+  integrity sha512-dle9A3yYxlBSrt8Fu+IpjGT8SY8hN0mlaA6GY8t0P5PjIOZemULz/E2Bnm/2dcUOena75OTNkHI76uZBNUUq3A==
   dependencies:
     nanoid "^3.3.8"
     picocolors "^1.1.1"