diff --git a/openai-apps-sdk-integration/package.json b/openai-apps-sdk-integration/package.json
index 51b59601..3806d9b3 100644
--- a/openai-apps-sdk-integration/package.json
+++ b/openai-apps-sdk-integration/package.json
@@ -24,7 +24,7 @@
     "@vitejs/plugin-react": "^4.5.2e",
     "autoprefixer": "10.4.21",
     "fast-glob": "^3.3.3",
-    "postcss": "8.5.10",
+    "postcss": "8.5.18",
     "serve": "^14.2.4",
     "tailwindcss": "4.1.11",
     "tsx": "^4.20.4",
diff --git a/openai-apps-sdk-integration/pnpm-lock.yaml b/openai-apps-sdk-integration/pnpm-lock.yaml
index 5b36d5e9..b597e7cf 100644
--- a/openai-apps-sdk-integration/pnpm-lock.yaml
+++ b/openai-apps-sdk-integration/pnpm-lock.yaml
@@ -101,13 +101,13 @@ importers:
         version: 4.7.0(vite@7.3.2(@types/node@24.3.0)(jiti@2.5.1)(lightningcss@1.30.1)(tsx@4.20.4))
       autoprefixer:
         specifier: 10.4.21
-        version: 10.4.21(postcss@8.5.10)
+        version: 10.4.21(postcss@8.5.18)
       fast-glob:
         specifier: ^3.3.3
         version: 3.3.3
       postcss:
-        specifier: 8.5.10
-        version: 8.5.10
+        specifier: 8.5.18
+        version: 8.5.18
       serve:
         specifier: ^14.2.4
         version: 14.2.4
@@ -2219,8 +2219,8 @@ packages:
       postprocessing: '>=6.30.0'
       three: '>=0.137'
 
-  nanoid@3.3.11:
-    resolution: {integrity: sha512-N8SpfPUnUp1bK+PMYW8qSWdl9U+wwNWI4QKxOYDy9JAro3WMX7p2OeVRF9v+347pnakNevPmiHhNmZ2HbFA76w==}
+  nanoid@3.3.16:
+    resolution: {integrity: sha512-bzlKTyNJ7+LdGIIwy8ijFpIqEQIvafahV7eYykJ8Cvh42EdJeODoJ6gUJXpQJvej1BddH8OqTXZNE/KfbWAu8Q==}
     engines: {node: ^10 || ^12 || ^13.7 || ^14 || >=15.0.1}
     hasBin: true
 
@@ -2329,8 +2329,8 @@ packages:
   postcss-value-parser@4.2.0:
     resolution: {integrity: sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==}
 
-  postcss@8.5.10:
-    resolution: {integrity: sha512-pMMHxBOZKFU6HgAZ4eyGnwXF/EvPGGqUr0MnZ5+99485wwW41kW91A4LOGxSHhgugZmSChL5AlElNdwlNgcnLQ==}
+  postcss@8.5.18:
+    resolution: {integrity: sha512-xdB1oSLHbz1vRWgCDalrCqEFTWzFlhqFC5tIHLMOSUIjhm3XXQ1qrFy8S/ESr1JYRRXqM3c1QFiMZUJdUTqyMQ==}
     engines: {node: ^10 || ^12 || >=14}
 
   postprocessing@6.37.7:
@@ -3834,14 +3834,14 @@ snapshots:
 
   arg@5.0.2: {}
 
-  autoprefixer@10.4.21(postcss@8.5.10):
+  autoprefixer@10.4.21(postcss@8.5.18):
     dependencies:
       browserslist: 4.25.1
       caniuse-lite: 1.0.30001731
       fraction.js: 4.3.7
       normalize-range: 0.1.2
       picocolors: 1.1.1
-      postcss: 8.5.10
+      postcss: 8.5.18
       postcss-value-parser: 4.2.0
 
   balanced-match@1.0.2: {}
@@ -4848,7 +4848,7 @@ snapshots:
       postprocessing: 6.37.7(three@0.179.1)
       three: 0.179.1
 
-  nanoid@3.3.11: {}
+  nanoid@3.3.16: {}
 
   negotiator@0.6.3: {}
 
@@ -4925,9 +4925,9 @@ snapshots:
 
   postcss-value-parser@4.2.0: {}
 
-  postcss@8.5.10:
+  postcss@8.5.18:
     dependencies:
-      nanoid: 3.3.11
+      nanoid: 3.3.16
       picocolors: 1.1.1
       source-map-js: 1.2.1
 
@@ -5395,7 +5395,7 @@ snapshots:
       esbuild: 0.27.7
       fdir: 6.5.0(picomatch@4.0.4)
       picomatch: 4.0.4
-      postcss: 8.5.10
+      postcss: 8.5.18
       rollup: 4.60.1
       tinyglobby: 0.2.15
     optionalDependencies: