diff --git a/package.json b/package.json
index cf8c29c5b..3555cff9e 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "esbuild": "^0.28.1",
     "esbuild-style-plugin": "^1.6.3",
     "mdn-polyfills": "^5.20.0",
-    "postcss": "^8.5.18",
+    "postcss": "^8.5.24",
     "postcss-cli": "^11.0.1",
     "postcss-import": "^16.1.1",
     "tailwindcss": "^4.3.0"
diff --git a/yarn.lock b/yarn.lock
index 8bbee66f1..0687a415f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -966,7 +966,7 @@ minimatch@^9.0.4:
   resolved "https://registry.yarnpkg.com/minipass/-/minipass-7.1.3.tgz#79389b4eb1bb2d003a9bba87d492f2bd37bdc65b"
   integrity sha512-tEBHqDnIoM/1rXME1zgka9g6Q2lcoCkxHLuc7ODJ5BxbP5d4c2Z5cGgtXAku59200Cx7diuHTOYfSBD8n6mm8A==
 
-nanoid@^3.3.12:
+nanoid@^3.3.16:
   version "3.3.16"
   resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.16.tgz#a04d8ec4b1f10009d2d533947aefe4293737816c"
   integrity sha512-bzlKTyNJ7+LdGIIwy8ijFpIqEQIvafahV7eYykJ8Cvh42EdJeODoJ6gUJXpQJvej1BddH8OqTXZNE/KfbWAu8Q==
@@ -1126,12 +1126,12 @@ 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@^8.4.31, postcss@^8.5.16, postcss@^8.5.18:
-  version "8.5.18"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.18.tgz#8717e5a33a3b15fe8a538d2431a1e1bbbfb07614"
-  integrity sha512-xdB1oSLHbz1vRWgCDalrCqEFTWzFlhqFC5tIHLMOSUIjhm3XXQ1qrFy8S/ESr1JYRRXqM3c1QFiMZUJdUTqyMQ==
+postcss@^8.4.31, postcss@^8.5.16, postcss@^8.5.24:
+  version "8.5.24"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.24.tgz#01d8b032451e1b9ec41ae66eaf02843f42a720d2"
+  integrity sha512-8RyVklq0owXUTa4xlpzu4l9AaVKIdQvAcOHZWaMh98HgySsUtxRVf/chRe3dsSLqb6i40BzGRzEUddRaI+9TSw==
   dependencies:
-    nanoid "^3.3.12"
+    nanoid "^3.3.16"
     picocolors "^1.1.1"
     source-map-js "^1.2.1"