diff --git a/packages/core/package.json b/packages/core/package.json
index b5bf3e9..4855f80 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "devDependencies": {
     "@bravo68web/tsconfig": "^1.2.2",
-    "@cloudflare/workers-types": "^3.18.0",
+    "@cloudflare/workers-types": "^4.20231121.0",
     "typescript": "^4.8.4",
     "wrangler": "2.1.13"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 2fb0521..6052ab6 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -133,8 +133,8 @@ importers:
         specifier: ^1.2.2
         version: 1.2.2(typescript@4.8.4)
       '@cloudflare/workers-types':
-        specifier: ^3.18.0
-        version: 3.18.0
+        specifier: ^4.20231121.0
+        version: 4.20231121.0
       typescript:
         specifier: ^4.8.4
         version: 4.8.4
@@ -353,8 +353,8 @@ packages:
       mime: 3.0.0
     dev: true
 
-  /@cloudflare/workers-types@3.18.0:
-    resolution: {integrity: sha512-ehKOJVLMeR+tZkYhWEaLYQxl0TaIZu/kE86HF3/RidR8Xv5LuQxpbh+XXAoKVqsaphWLhIgBhgnlN5HGdheXSQ==}
+  /@cloudflare/workers-types@4.20231121.0:
+    resolution: {integrity: sha512-+kWfpCkqiepwAKXyHoE0gnkPgkLhz0/9HOBIGhHRsUvUKvhUtm3mbqqoGRWgF1qcjzrDUBbrrOq4MYHfFtc2RA==}
     dev: true
 
   /@esbuild-plugins/node-globals-polyfill@0.1.1(esbuild@0.14.51):