diff --git a/package-lock.json b/package-lock.json
index fcb85a2..f4421c6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
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-        "@cloudflare/workers-types": "^4.20251205.0",
+        "@cloudflare/workers-types": "^4.20251213.0",
         "eslint": "^9.39.1",
         "eslint-config-prettier": "^10.1.8",
         "eslint-plugin-jsdoc": "^61.5.0",
@@ -159,9 +159,9 @@
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-      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20251205.0.tgz",
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+      "version": "4.20251213.0",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20251213.0.tgz",
+      "integrity": "sha512-PJAGdKfU7hs39C2YOFNLTdrfdqG6rbaVj5UuI306zS+TPokiskRLEgUXKqS6avN9Uu9Nyuf2a0hqoumLQCnJlQ==",
       "dev": true,
       "license": "MIT OR Apache-2.0"
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@@ -1753,6 +1753,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
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@@ -1768,6 +1769,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
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@@ -1824,6 +1826,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
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@@ -2399,6 +2402,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
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@@ -3580,6 +3584,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=12"
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@@ -4258,6 +4263,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "pathe": "^2.0.3"
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@@ -4296,6 +4302,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "esbuild": "^0.25.0",
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@@ -4394,6 +4401,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
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         "@vitest/expect": "3.2.4",
@@ -4511,6 +4519,7 @@
       "dev": true,
       "hasInstallScript": true,
       "license": "Apache-2.0",
+      "peer": true,
       "bin": {
         "workerd": "bin/workerd"
       },
diff --git a/package.json b/package.json
index 6ee04ad..78b3ab3 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   },
   "devDependencies": {
     "@cloudflare/vitest-pool-workers": "^0.10.14",
-    "@cloudflare/workers-types": "^4.20251205.0",
+    "@cloudflare/workers-types": "^4.20251213.0",
     "eslint": "^9.39.1",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-jsdoc": "^61.5.0",