diff --git a/package.json b/package.json
index 26e8bcd..215e13f 100644
--- a/package.json
+++ b/package.json
@@ -118,7 +118,7 @@
     "eslint-plugin-yml": "^1.19.0",
     "gh-changelogen": "^0.2.8",
     "h3": "^1.15.4",
-    "hono": "^3.12.12",
+    "hono": "^4.0.0",
     "knip": "^5.68.0",
     "lint-staged": "^15.5.2",
     "miniflare": "^3.20250718.2",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c481a63..125270d 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -100,8 +100,8 @@ importers:
         specifier: ^1.15.4
         version: 1.15.4
       hono:
-        specifier: ^3.12.12
-        version: 3.12.12
+        specifier: ^4.0.0
+        version: 4.10.4
       knip:
         specifier: ^5.68.0
         version: 5.68.0(@types/node@24.10.0)(typescript@5.9.3)
@@ -2590,9 +2590,9 @@ packages:
     resolution: {integrity: sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==}
     engines: {node: '>= 0.4'}
 
-  hono@3.12.12:
-    resolution: {integrity: sha512-5IAMJOXfpA5nT+K0MNjClchzz0IhBHs2Szl7WFAhrFOsbtQsYmNynFyJRg/a3IPsmCfxcrf8txUGiNShXpK5Rg==}
-    engines: {node: '>=16.0.0'}
+  hono@4.10.4:
+    resolution: {integrity: sha512-YG/fo7zlU3KwrBL5vDpWKisLYiM+nVstBQqfr7gCPbSYURnNEP9BDxEMz8KfsDR9JX0lJWDRNc6nXX31v7ZEyg==}
+    engines: {node: '>=16.9.0'}
 
   hookable@5.5.3:
     resolution: {integrity: sha512-Yc+BQe8SvoXH1643Qez1zqLRmbA5rCL+sSmk6TVos0LWVfNIB7PGncdlId77WzLGSIB5KaWgTaNTs2lNVEI6VQ==}
@@ -6689,7 +6689,7 @@ snapshots:
     dependencies:
       function-bind: 1.1.2
 
-  hono@3.12.12: {}
+  hono@4.10.4: {}
 
   hookable@5.5.3: {}