diff --git a/package-lock.json b/package-lock.json
index fbc3c9a..1682967 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
       "devDependencies": {
         "@biomejs/biome": "^2.5.2",
         "@cloudflare/vitest-pool-workers": "^0.16.19",
-        "@cloudflare/workers-types": "^4.20260611.1",
+        "@cloudflare/workers-types": "^5.20260708.1",
         "@emnapi/core": "^1.11.1",
         "@emnapi/runtime": "^1.11.1",
         "@types/node": "^26.1.0",
@@ -369,9 +369,9 @@
       }
     },
     "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": "5.20260708.1",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-5.20260708.1.tgz",
+      "integrity": "sha512-FSRyCsxALKmmNnk/2HMkTiX9Iz9yqTiTWX/BJZdffGznMSunXmQgb3mKy9wGBX2BCTLOuRYWL36uh7/3Gm05Eg==",
       "devOptional": true,
       "license": "MIT OR Apache-2.0"
     },
diff --git a/package.json b/package.json
index ca35803..df4e087 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   "devDependencies": {
     "@biomejs/biome": "^2.5.2",
     "@cloudflare/vitest-pool-workers": "^0.16.19",
-    "@cloudflare/workers-types": "^4.20260611.1",
+    "@cloudflare/workers-types": "^5.20260708.1",
     "@emnapi/core": "^1.11.1",
     "@emnapi/runtime": "^1.11.1",
     "@types/node": "^26.1.0",