diff --git a/package-lock.json b/package-lock.json
index 7fa57e5..e7491d3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,7 +34,7 @@
         "tw-animate-css": "^1.4.0"
       },
       "devDependencies": {
-        "@cloudflare/workers-types": "^4.0.0",
+        "@cloudflare/workers-types": "^5.20260811.1",
         "@types/node": "^26.2.0",
         "@types/react": "^19.0.0",
         "@types/react-dom": "^19.0.0",
@@ -226,9 +226,9 @@
       }
     },
     "node_modules/@cloudflare/workers-types": {
-      "version": "4.20260702.1",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20260702.1.tgz",
-      "integrity": "sha512-mOhf5TUEB1m2vPrxtqoIGfz0fUC9xyxRDx5gWHy5s+OCo6dcV+g7wI1R7gYCMFohhqF/2y2xeKVwMwCJjfn/WA==",
+      "version": "5.20260811.1",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-5.20260811.1.tgz",
+      "integrity": "sha512-jS3o9240P8t7Y/2lecXPC0rGdODZgHyFTWy9Asdm8htE2Uepx4PAvbcVo3EC0r8wZuv6rahDc1MMj+3nDZj/QA==",
       "dev": true,
       "license": "MIT OR Apache-2.0"
     },
diff --git a/package.json b/package.json
index 6ac12fe..4384a66 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,7 @@
     "tailwindcss": "^4.3.3",
     "typescript": "~7.0.2",
     "vite": "^8.2.0",
-    "@cloudflare/workers-types": "^4.0.0",
+    "@cloudflare/workers-types": "^5.20260811.1",
     "wrangler": "^4.120.0"
   }
 }