diff --git a/package-lock.json b/package-lock.json
index 1a5c6d2..bb07cd9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
       },
       "devDependencies": {
         "@cloudflare/vitest-pool-workers": "^0.10.10",
-        "@cloudflare/workers-types": "^4.20250724.0",
+        "@cloudflare/workers-types": "^4.20251205.0",
         "eslint": "^9.39.1",
         "prettier": "^3.6.2",
         "typescript": "^5.9.3",
@@ -170,9 +170,9 @@
       }
     },
     "node_modules/@cloudflare/workers-types": {
-      "version": "4.20251121.0",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20251121.0.tgz",
-      "integrity": "sha512-jzFg7hEGKzpEalxTCanN6lM8IdkvO/brsERp/+OyMms4Zi0nhDPUAg9dUcKU8wDuDUnzbjkplY6YRwle7Cq6gA==",
+      "version": "4.20251205.0",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20251205.0.tgz",
+      "integrity": "sha512-7pup7fYkuQW5XD8RUS/vkxF9SXlrGyCXuZ4ro3uVQvca/GTeSa+8bZ8T4wbq1Aea5lmLIGSlKbhl2msME7bRBA==",
       "dev": true,
       "license": "MIT OR Apache-2.0"
     },
diff --git a/package.json b/package.json
index af71659..a95f471 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   },
   "devDependencies": {
     "@cloudflare/vitest-pool-workers": "^0.10.10",
-    "@cloudflare/workers-types": "^4.20250724.0",
+    "@cloudflare/workers-types": "^4.20251205.0",
     "eslint": "^9.39.1",
     "prettier": "^3.6.2",
     "typescript": "^5.9.3",