diff --git a/test/runtimes/cloudflare/package-lock.json b/test/runtimes/cloudflare/package-lock.json
index 3af2780..5af6272 100644
--- a/test/runtimes/cloudflare/package-lock.json
+++ b/test/runtimes/cloudflare/package-lock.json
@@ -12,7 +12,7 @@
       },
       "devDependencies": {
         "@cloudflare/vitest-pool-workers": "^0.4.5",
-        "@cloudflare/workers-types": "^4.20241205.0",
+        "@cloudflare/workers-types": "^4.20241218.0",
         "typescript": "^5.7.2",
         "vitest": "1.5.0",
         "wrangler": "^3.91.0"
@@ -206,11 +206,10 @@
       }
     },
     "node_modules/@cloudflare/workers-types": {
-      "version": "4.20241205.0",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20241205.0.tgz",
-      "integrity": "sha512-pj1VKRHT/ScQbHOIMFODZaNAlJHQHdBSZXNIdr9ebJzwBff9Qz8VdqhbhggV7f+aUEh8WSbrsPIo4a+WtgjUvw==",
-      "dev": true,
-      "license": "MIT OR Apache-2.0"
+      "version": "4.20241218.0",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20241218.0.tgz",
+      "integrity": "sha512-Y0brjmJHcAZBXOPI7lU5hbiXglQWniA1kQjot2ata+HFimyjPPcz+4QWBRrmWcMPo0OadR2Vmac7WStDLpvz0w==",
+      "dev": true
     },
     "node_modules/@cspotcode/source-map-support": {
       "version": "0.8.1",
diff --git a/test/runtimes/cloudflare/package.json b/test/runtimes/cloudflare/package.json
index 099dde1..b63ce07 100644
--- a/test/runtimes/cloudflare/package.json
+++ b/test/runtimes/cloudflare/package.json
@@ -11,7 +11,7 @@
   },
   "devDependencies": {
     "@cloudflare/vitest-pool-workers": "^0.4.5",
-    "@cloudflare/workers-types": "^4.20241205.0",
+    "@cloudflare/workers-types": "^4.20241218.0",
     "typescript": "^5.7.2",
     "vitest": "1.5.0",
     "wrangler": "^3.91.0"