diff --git a/apps/api/package.json b/apps/api/package.json
index 2325fb1..25f8c23 100644
--- a/apps/api/package.json
+++ b/apps/api/package.json
@@ -18,7 +18,7 @@
     "zod": "^3.24.1"
   },
   "devDependencies": {
-    "@cloudflare/workers-types": "^4.20250712.0",
+    "@cloudflare/workers-types": "^5.20260727.1",
     "typescript": "^5.7.2",
     "vitest": "^3.2.4",
     "wrangler": "^4.114.0"