diff --git a/frontend/package.json b/frontend/package.json
index 8d2f9953ef..9f4be678c6 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -89,7 +89,7 @@
     "eslint-plugin-lingui": "^0.2.0",
     "eslint-plugin-react-hooks": "^4.6.0",
     "eslint-plugin-react-refresh": "^0.3.4",
-    "postcss": "^8.4.24",
+    "postcss": "^8.5.6",
     "postcss-preset-mantine": "^1.6.0",
     "postcss-simple-vars": "^7.0.1",
     "sass": "^1.89.0",
diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index 90c3a20707..cec165f1c3 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -4342,10 +4342,10 @@ postcss-value-parser@^4.1.0:
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz#723c09920836ba6d3e5af019f92bc0971c02e514"
   integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
 
-postcss@^8.4.24, postcss@^8.4.43:
-  version "8.5.4"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.4.tgz#d61014ac00e11d5f58458ed7247d899bd65f99c0"
-  integrity sha512-QSa9EBe+uwlGTFmHsPKokv3B/oEMQZxfqW0QqNCyhpa6mB1afzulwn8hihglqAb2pOw+BJgNlmXQ8la2VeHB7w==
+postcss@^8.4.43, 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==
   dependencies:
     nanoid "^3.3.11"
     picocolors "^1.1.1"