diff --git a/package-lock.json b/package-lock.json
index 106984b..25e9d63 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
         "graphql": "16.12.0"
       },
       "devDependencies": {
-        "@cloudflare/workers-types": "4.20250917.0",
+        "@cloudflare/workers-types": "4.20251209.0",
         "marked": "17.0.1",
         "typescript": "5.9.3",
         "wrangler": "4.38.0"
@@ -129,9 +129,9 @@
       }
     },
     "node_modules/@cloudflare/workers-types": {
-      "version": "4.20250917.0",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20250917.0.tgz",
-      "integrity": "sha512-Lsn9dZoRYZZCXXHZNa50cMP8kWhQZG9M7WjxNSiXFzC8bk4Wh/0SYYo4YINxEjEt6h2o69LmAhFaJ+qgaJTh8Q==",
+      "version": "4.20251209.0",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20251209.0.tgz",
+      "integrity": "sha512-O+cbUVwgb4NgUB39R1cITbRshlAAPy1UQV0l8xEy2xcZ3wTh3fMl9f5oBwLsVmE9JRhIZx6llCLOBVf53eI5xA==",
       "dev": true
     },
     "node_modules/@cspotcode/source-map-support": {
@@ -1579,9 +1579,9 @@
       "optional": true
     },
     "@cloudflare/workers-types": {
-      "version": "4.20250917.0",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20250917.0.tgz",
-      "integrity": "sha512-Lsn9dZoRYZZCXXHZNa50cMP8kWhQZG9M7WjxNSiXFzC8bk4Wh/0SYYo4YINxEjEt6h2o69LmAhFaJ+qgaJTh8Q==",
+      "version": "4.20251209.0",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20251209.0.tgz",
+      "integrity": "sha512-O+cbUVwgb4NgUB39R1cITbRshlAAPy1UQV0l8xEy2xcZ3wTh3fMl9f5oBwLsVmE9JRhIZx6llCLOBVf53eI5xA==",
       "dev": true
     },
     "@cspotcode/source-map-support": {
diff --git a/package.json b/package.json
index daf082e..d2ff200 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "graphql": "16.12.0"
   },
   "devDependencies": {
-    "@cloudflare/workers-types": "4.20250917.0",
+    "@cloudflare/workers-types": "4.20251209.0",
     "marked": "17.0.1",
     "typescript": "5.9.3",
     "wrangler": "4.38.0"