diff --git a/package-lock.json b/package-lock.json
index 9539e45..7bd7bd5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "itty-router": "^3.0.12"
       },
       "devDependencies": {
-        "@cloudflare/workers-types": "^4.20230321.0",
+        "@cloudflare/workers-types": "^4.20230518.0",
         "@types/node": "^17.0.45",
         "typescript": "^5.0.3",
         "wrangler": "^2.13.0"
@@ -28,9 +28,9 @@
       }
     },
     "node_modules/@cloudflare/workers-types": {
-      "version": "4.20230321.0",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20230321.0.tgz",
-      "integrity": "sha512-zyRFz9AUS0tbg3/kJ+3zxvp9fl/O9yOJlChih/o86hhOqRMcZVbWefYAvFPidRvYUHM5YTG1wjU1bF9FFckRVg==",
+      "version": "4.20230518.0",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20230518.0.tgz",
+      "integrity": "sha512-A0w1V+5SUawGaaPRlhFhSC/SCDT9oQG8TMoWOKFLA4qbqagELqEAFD4KySBIkeVOvCBLT1DZSYBMCxbXddl0kw==",
       "dev": true
     },
     "node_modules/@esbuild-plugins/node-globals-polyfill": {
@@ -1607,9 +1607,9 @@
       }
     },
     "@cloudflare/workers-types": {
-      "version": "4.20230321.0",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20230321.0.tgz",
-      "integrity": "sha512-zyRFz9AUS0tbg3/kJ+3zxvp9fl/O9yOJlChih/o86hhOqRMcZVbWefYAvFPidRvYUHM5YTG1wjU1bF9FFckRVg==",
+      "version": "4.20230518.0",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20230518.0.tgz",
+      "integrity": "sha512-A0w1V+5SUawGaaPRlhFhSC/SCDT9oQG8TMoWOKFLA4qbqagELqEAFD4KySBIkeVOvCBLT1DZSYBMCxbXddl0kw==",
       "dev": true
     },
     "@esbuild-plugins/node-globals-polyfill": {
diff --git a/package.json b/package.json
index 8aad46d..a36bfff 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "itty-router": "^3.0.12"
   },
   "devDependencies": {
-    "@cloudflare/workers-types": "^4.20230321.0",
+    "@cloudflare/workers-types": "^4.20230518.0",
     "@types/node": "^17.0.45",
     "typescript": "^5.0.3",
     "wrangler": "^2.13.0"