diff --git a/package.json b/package.json
index 843ac609689..4ea109304f4 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "local-time": "^3.0.3",
     "nodemon": "^3.1.9",
     "omgopass": "^3.2.1",
-    "postcss": "^8.4.49",
+    "postcss": "^8.5.18",
     "postcss-cli": "^11.0.0",
     "postcss-env-function": "^7.0.0",
     "postcss-import": "^16.1.0",
diff --git a/yarn.lock b/yarn.lock
index b7e2280d637..a6c0f59fff8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -737,10 +737,10 @@ postcss-value-parser@^4.0.0, 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@^8.4.49:
-  version "8.5.15"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.15.tgz#d1eaf677a324e9ec02196da2d3fecf4a0b9a735c"
-  integrity sha512-FfR8sjd4em2T6fb3I2MwAJU7HWVMr9zba+enmQeeWFfCbm+UOC/0X4DS8XtpUTMwWMGbjKYP7xjfNekzyGmB3A==
+postcss@^8.5.18:
+  version "8.5.18"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.18.tgz#8717e5a33a3b15fe8a538d2431a1e1bbbfb07614"
+  integrity sha512-xdB1oSLHbz1vRWgCDalrCqEFTWzFlhqFC5tIHLMOSUIjhm3XXQ1qrFy8S/ESr1JYRRXqM3c1QFiMZUJdUTqyMQ==
   dependencies:
     nanoid "^3.3.12"
     picocolors "^1.1.1"