diff --git a/package-lock.json b/package-lock.json
index a82d030..699d91b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,9 +12,9 @@
         "hono": "^4.12.25"
       },
       "devDependencies": {
-        "@cloudflare/workers-types": "^4.20260613.1",
+        "@cloudflare/workers-types": "^4.20260621.1",
         "@types/jest": "^30.0.0",
-        "@types/node": "^25.9.3",
+        "@types/node": "^26.0.0",
         "jest": "^30.4.2",
         "ts-jest": "^29.4.11",
         "typescript": "^5.9.3",
@@ -688,9 +688,9 @@
       }
     },
     "node_modules/@cloudflare/workers-types": {
-      "version": "4.20260620.1",
-      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20260620.1.tgz",
-      "integrity": "sha512-WB81w9u1bAS7KcekpC7/nYhLpIXAEtgybso7XgGJV8CQKNkNPYcyjvICLdghOlDBi/9Ivk+f7NRckV2Bkq1bDg==",
+      "version": "4.20260621.1",
+      "resolved": "https://registry.npmjs.org/@cloudflare/workers-types/-/workers-types-4.20260621.1.tgz",
+      "integrity": "sha512-c4xrf4shZdDOK1ihh1UKzlS/3MDYiGThT/Oqr4Y3qR9NLCSNzHB7rt+Vk/LOp0ZSNjA+7WNJEQsOhpiQtpT2GA==",
       "dev": true,
       "license": "MIT OR Apache-2.0"
     },
@@ -2398,13 +2398,13 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "25.9.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.3.tgz",
-      "integrity": "sha512-603BddQMv3pUcr4U2dhujk83N2tTDVr/34wII2B6bJy6g+8WD6yUb11jszNs0gdi4PesVWl7ABt8nYMVpnLUcg==",
+      "version": "26.0.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.0.0.tgz",
+      "integrity": "sha512-vf2YFi1iY9lHGwNJMs01biZFbKJkrZR1T6/MlzjhJLPdntOHLhTrDSnSVcdtvjihi4VQNlrFRIxLsDBlQpAipA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": ">=7.24.0 <7.24.7"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@types/stack-utils": {
@@ -5660,9 +5660,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "7.24.6",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.24.6.tgz",
-      "integrity": "sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg==",
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",
+      "integrity": "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index b4bb298..04a966d 100644
--- a/package.json
+++ b/package.json
@@ -4,9 +4,9 @@
     "hono": "^4.12.25"
   },
   "devDependencies": {
-    "@cloudflare/workers-types": "^4.20260613.1",
+    "@cloudflare/workers-types": "^4.20260621.1",
     "@types/jest": "^30.0.0",
-    "@types/node": "^25.9.3",
+    "@types/node": "^26.0.0",
     "jest": "^30.4.2",
     "ts-jest": "^29.4.11",
     "typescript": "^5.9.3",