diff --git a/package.json b/package.json
index 0fbcdf1..00c6202 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "hono": "^4.4.6"
   },
   "devDependencies": {
-    "@cloudflare/workers-types": "^4.20240614.0",
+    "@cloudflare/workers-types": "^4.20240821.1",
     "@types/chai": "^4.3.16",
     "@types/mocha": "^10.0.6",
     "@types/sinon": "^17.0.3",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index de52c77..ba7eb03 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -25,8 +25,8 @@ importers:
         version: 4.5.7
     devDependencies:
       '@cloudflare/workers-types':
-        specifier: ^4.20240614.0
-        version: 4.20240815.0
+        specifier: ^4.20240821.1
+        version: 4.20240821.1
       '@types/chai':
         specifier: ^4.3.16
         version: 4.3.17
@@ -71,7 +71,7 @@ importers:
         version: 5.5.4
       wrangler:
         specifier: ^3.60.3
-        version: 3.72.1(@cloudflare/workers-types@4.20240815.0)
+        version: 3.72.1(@cloudflare/workers-types@4.20240821.1)
 
 packages:
 
@@ -116,8 +116,8 @@ packages:
     resolution: {integrity: sha512-tIWLooWkBMuoKRk72lr6YrEtVlVdUTtAGVmPOnUroMrnri/9YLx+mVawL0/egDgSGmPbmvkdBFsUGRuI+aZmxg==}
     engines: {node: '>=16.7.0'}
 
-  '@cloudflare/workers-types@4.20240815.0':
-    resolution: {integrity: sha512-H/IXCOahT1lr4RKzsiCkyjM7+LCPLtl2wjxyLG8xMTNERR0XuD1Vcfns6TraE0cd5+IcKe7j3rpzBlSCjZ+61A==}
+  '@cloudflare/workers-types@4.20240821.1':
+    resolution: {integrity: sha512-icAkbnAqgVl6ef9lgLTom8na+kj2RBw2ViPAQ586hbdj0xZcnrjK7P46Eu08OU9D/lNDgN2sKU/sxhe2iK/gIg==}
 
   '@cspotcode/source-map-support@0.8.1':
     resolution: {integrity: sha512-IchNf6dN4tHoMFIn/7OE8LWZ19Y6q/67Bmf6vnGREv8RSbBVb9LPJxEcnwrcwX6ixSvaiGoomAUvu4YSxXrVgw==}
@@ -1393,7 +1393,7 @@ snapshots:
 
   '@cloudflare/workers-shared@0.2.0': {}
 
-  '@cloudflare/workers-types@4.20240815.0': {}
+  '@cloudflare/workers-types@4.20240821.1': {}
 
   '@cspotcode/source-map-support@0.8.1':
     dependencies:
@@ -2529,7 +2529,7 @@ snapshots:
 
   workerpool@6.5.1: {}
 
-  wrangler@3.72.1(@cloudflare/workers-types@4.20240815.0):
+  wrangler@3.72.1(@cloudflare/workers-types@4.20240821.1):
     dependencies:
       '@cloudflare/kv-asset-handler': 0.3.4
       '@cloudflare/workers-shared': 0.2.0
@@ -2550,7 +2550,7 @@ snapshots:
       workerd: 1.20240806.0
       xxhash-wasm: 1.0.2
     optionalDependencies:
-      '@cloudflare/workers-types': 4.20240815.0
+      '@cloudflare/workers-types': 4.20240821.1
       fsevents: 2.3.3
     transitivePeerDependencies:
       - bufferutil