diff --git a/chat/package-lock.json b/chat/package-lock.json
index 553c7e1..9062e02 100644
--- a/chat/package-lock.json
+++ b/chat/package-lock.json
@@ -25,7 +25,7 @@
         "@types/react": "^19",
         "@types/react-dom": "^19",
         "autoprefixer": "^10.4.20",
-        "postcss": "^8.4.49",
+        "postcss": "^8.5.17",
         "tailwindcss": "^3.4.17",
         "typescript": "^6.0.3"
       }
@@ -2559,9 +2559,9 @@
       }
     },
     "node_modules/nanoid": {
-      "version": "3.3.11",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.11.tgz",
-      "integrity": "sha512-N8SpfPUnUp1bK+PMYW8qSWdl9U+wwNWI4QKxOYDy9JAro3WMX7p2OeVRF9v+347pnakNevPmiHhNmZ2HbFA76w==",
+      "version": "3.3.16",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.16.tgz",
+      "integrity": "sha512-bzlKTyNJ7+LdGIIwy8ijFpIqEQIvafahV7eYykJ8Cvh42EdJeODoJ6gUJXpQJvej1BddH8OqTXZNE/KfbWAu8Q==",
       "funding": [
         {
           "type": "github",
@@ -2870,9 +2870,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.6",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.6.tgz",
-      "integrity": "sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg==",
+      "version": "8.5.17",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.17.tgz",
+      "integrity": "sha512-J7EF+8X+CzRPaJPOv9Ck2wNWJvGnnl3PcNPAdGg6GTLjyVpyQ0yATMSXRFRV01BviT/9Gwuc3rjEyJbDJG9a4w==",
       "dev": true,
       "funding": [
         {
@@ -2890,7 +2890,7 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "nanoid": "^3.3.11",
+        "nanoid": "^3.3.12",
         "picocolors": "^1.1.1",
         "source-map-js": "^1.2.1"
       },
diff --git a/chat/package.json b/chat/package.json
index be3e912..26db67c 100644
--- a/chat/package.json
+++ b/chat/package.json
@@ -25,7 +25,7 @@
     "@types/react": "^19",
     "@types/react-dom": "^19",
     "autoprefixer": "^10.4.20",
-    "postcss": "^8.4.49",
+    "postcss": "^8.5.17",
     "tailwindcss": "^3.4.17",
     "typescript": "^6.0.3"
   },