diff --git a/packages/website-helper-worker/package.json b/packages/website-helper-worker/package.json
index 5fe2e2383..772b8c46b 100644
--- a/packages/website-helper-worker/package.json
+++ b/packages/website-helper-worker/package.json
@@ -10,7 +10,7 @@
     "toucan-js": "3.3.1"
   },
   "devDependencies": {
-    "@cloudflare/workers-types": "4.20231121.0",
+    "@cloudflare/workers-types": "4.20231218.0",
     "typescript": "5.3.3",
     "wrangler": "3.21.0"
   }
diff --git a/packages/website-router/package.json b/packages/website-router/package.json
index 1add76288..9571e6774 100644
--- a/packages/website-router/package.json
+++ b/packages/website-router/package.json
@@ -10,7 +10,7 @@
     "toucan-js": "3.3.1"
   },
   "devDependencies": {
-    "@cloudflare/workers-types": "4.20231121.0",
+    "@cloudflare/workers-types": "4.20231218.0",
     "@types/node": "20.10.4",
     "typescript": "5.3.3",
     "wrangler": "3.21.0"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 199e1faf7..e237e4164 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -202,8 +202,8 @@ importers:
         version: 3.3.1
     devDependencies:
       '@cloudflare/workers-types':
-        specifier: 4.20231121.0
-        version: 4.20231121.0
+        specifier: 4.20231218.0
+        version: 4.20231218.0
       typescript:
         specifier: 5.3.3
         version: 5.3.3
@@ -218,8 +218,8 @@ importers:
         version: 3.3.1
     devDependencies:
       '@cloudflare/workers-types':
-        specifier: 4.20231121.0
-        version: 4.20231121.0
+        specifier: 4.20231218.0
+        version: 4.20231218.0
       '@types/node':
         specifier: 20.10.4
         version: 20.10.4
@@ -829,8 +829,8 @@ packages:
     dev: true
     optional: true
 
-  /@cloudflare/workers-types@4.20231121.0:
-    resolution: {integrity: sha512-+kWfpCkqiepwAKXyHoE0gnkPgkLhz0/9HOBIGhHRsUvUKvhUtm3mbqqoGRWgF1qcjzrDUBbrrOq4MYHfFtc2RA==}
+  /@cloudflare/workers-types@4.20231218.0:
+    resolution: {integrity: sha512-Vs1FKjfUjXYGbCsXzkl+ITp0Iyb6QiW6+vTERTNThC+v96T0IvPVAioH4tT20rXwoxAfxh380mAaxYtTrJUNVg==}
     dev: true
 
   /@corex/deepmerge@4.0.43: