diff --git a/package-lock.json b/package-lock.json
index a49ade8..8cfa1ce 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "@types/react": "19.2.17",
         "@types/react-dom": "^19.2.3",
         "next": "^16.2.11",
-        "postcss": "^8.5.20",
+        "postcss": "^8.5.21",
         "react": "^19.2.8",
         "react-dom": "^19.2.8",
         "react-use-websocket": "^4.13.0",
@@ -6231,9 +6231,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.20",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.20.tgz",
-      "integrity": "sha512-lW616l85ucIQL+FocMmL7pQFPqBmwejrCMg+iPxyImlrANNJG9NHq/RkyCZopDhd8C3LA03PHRJDjkbGu8vvug==",
+      "version": "8.5.21",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.21.tgz",
+      "integrity": "sha512-v4sDNP3fdNiWMfabO7OwOQdOX8TiQSztKyT1Wj0w+j7LDallJThJRBBBmzVGyYj0crMh7jlV4zepPkiNu9UwDQ==",
       "funding": [
         {
           "type": "opencollective",
diff --git a/package.json b/package.json
index 8060df5..d2804c8 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "@types/react": "19.2.17",
     "@types/react-dom": "^19.2.3",
     "next": "^16.2.11",
-    "postcss": "^8.5.20",
+    "postcss": "^8.5.21",
     "react": "^19.2.8",
     "react-dom": "^19.2.8",
     "react-use-websocket": "^4.13.0",