diff --git a/package-lock.json b/package-lock.json
index 7795efa..6af1a81 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "zod": "^3.22.4"
       },
       "devDependencies": {
-        "@cloudflare/workers-types": "^4.20260405.1",
+        "@cloudflare/workers-types": "^4.20260518.1",
         "typescript": "^5.3.3",
         "vitest": "^1.1.0",
         "wrangler": "^3.91.0"
@@ -134,9 +134,9 @@
       }
     },
     "node_modules/@cloudflare/workers-types": {
-      "version": "4.20260405.1",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20260405.1.tgz",
-      "integrity": "sha512-PokTmySa+D6MY01R1UfYH48korsN462NK/fl3aw47Hg7XuLuSo/RTpjT0vtWaJhJoFY5tHGOBBIbDcIc8wltLg==",
+      "version": "4.20260518.1",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20260518.1.tgz",
+      "integrity": "sha512-xXzGrbRi8RHRBNQFgXYkzrB4DgF0RXvmp8E1vCxoBmINpeitM/ZjVDd1CNC+N3uXjgcNjacoz4OgTa0rxgig1A==",
       "dev": true,
       "license": "MIT OR Apache-2.0"
     },
diff --git a/package.json b/package.json
index fcd7bba..d807726 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "zod": "^3.22.4"
   },
   "devDependencies": {
-    "@cloudflare/workers-types": "^4.20260405.1",
+    "@cloudflare/workers-types": "^4.20260518.1",
     "typescript": "^5.3.3",
     "vitest": "^1.1.0",
     "wrangler": "^3.91.0"