diff --git a/package-lock.json b/package-lock.json
index 9094846..d294fcf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
       },
       "devDependencies": {
         "@biomejs/biome": "^2.5.2",
-        "@cloudflare/workers-types": "^4.20260702.1",
+        "@cloudflare/workers-types": "^5.20260719.1",
         "@eslint/js": "^10.0.1",
         "@types/node": "^26.1.0",
         "@vitest/coverage-v8": "^4.1.7",
@@ -404,9 +404,9 @@
       }
     },
     "node_modules/@cloudflare/workers-types": {
-      "version": "4.20260702.1",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20260702.1.tgz",
-      "integrity": "sha512-mOhf5TUEB1m2vPrxtqoIGfz0fUC9xyxRDx5gWHy5s+OCo6dcV+g7wI1R7gYCMFohhqF/2y2xeKVwMwCJjfn/WA==",
+      "version": "5.20260719.1",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-5.20260719.1.tgz",
+      "integrity": "sha512-DcGasbfUuczQilc80vhL2MPPdWcaxWkx0hN5IW9UdNDBdrRvWcal3akSJ6Ccm7e8+/OGeR+8tYrqkykA3YGSZw==",
       "dev": true,
       "license": "MIT OR Apache-2.0"
     },
diff --git a/package.json b/package.json
index 7e44dd5..c7d51b5 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
   },
   "devDependencies": {
     "@biomejs/biome": "^2.5.2",
-    "@cloudflare/workers-types": "^4.20260702.1",
+    "@cloudflare/workers-types": "^5.20260719.1",
     "@eslint/js": "^10.0.1",
     "@types/node": "^26.1.0",
     "@vitest/coverage-v8": "^4.1.7",