diff --git a/examples/batcher/package.json b/examples/batcher/package.json
index 2165472..96f5616 100644
--- a/examples/batcher/package.json
+++ b/examples/batcher/package.json
@@ -12,7 +12,7 @@
     "create-db": "wrangler d1 create batch-db"
   },
   "dependencies": {
-    "hono": "^3.6.0",
+    "hono": "^4.2.7",
     "hono-do": "workspace:*"
   },
   "devDependencies": {
diff --git a/examples/chat/package.json b/examples/chat/package.json
index 104f7a1..cde7ca2 100644
--- a/examples/chat/package.json
+++ b/examples/chat/package.json
@@ -11,7 +11,7 @@
     "deploy": "wrangler deploy --minify src/index.ts"
   },
   "dependencies": {
-    "hono": "^3.6.0",
+    "hono": "^4.2.7",
     "hono-do": "workspace:*"
   },
   "devDependencies": {
diff --git a/examples/counter-with-storage-helper/package.json b/examples/counter-with-storage-helper/package.json
index 80e08ff..de22828 100644
--- a/examples/counter-with-storage-helper/package.json
+++ b/examples/counter-with-storage-helper/package.json
@@ -11,7 +11,7 @@
     "deploy": "wrangler deploy --minify src/index.ts"
   },
   "dependencies": {
-    "hono": "^3.6.0",
+    "hono": "^4.2.7",
     "hono-do": "workspace:*"
   },
   "devDependencies": {
diff --git a/examples/counter/package.json b/examples/counter/package.json
index 3fd19e9..2965571 100644
--- a/examples/counter/package.json
+++ b/examples/counter/package.json
@@ -11,7 +11,7 @@
     "deploy": "wrangler deploy --minify src/index.ts"
   },
   "dependencies": {
-    "hono": "^3.6.0",
+    "hono": "^4.2.7",
     "hono-do": "workspace:*"
   },
   "devDependencies": {
diff --git a/examples/hibernatable-chat/package.json b/examples/hibernatable-chat/package.json
index bb475c0..ddc519d 100644
--- a/examples/hibernatable-chat/package.json
+++ b/examples/hibernatable-chat/package.json
@@ -11,7 +11,7 @@
     "deploy": "wrangler deploy --minify src/index.ts"
   },
   "dependencies": {
-    "hono": "^3.6.0",
+    "hono": "^4.2.7",
     "hono-do": "workspace:*"
   },
   "devDependencies": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 7a9cbfa..b02d9c1 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -54,8 +54,8 @@ importers:
   examples/batcher:
     dependencies:
       hono:
-        specifier: ^3.6.0
-        version: 3.6.0
+        specifier: ^4.2.7
+        version: 4.2.7
       hono-do:
         specifier: workspace:*
         version: link:../../packages/hono-do
@@ -70,8 +70,8 @@ importers:
   examples/chat:
     dependencies:
       hono:
-        specifier: ^3.6.0
-        version: 3.6.0
+        specifier: ^4.2.7
+        version: 4.2.7
       hono-do:
         specifier: workspace:*
         version: link:../../packages/hono-do
@@ -86,8 +86,8 @@ importers:
   examples/counter:
     dependencies:
       hono:
-        specifier: ^3.6.0
-        version: 3.6.0
+        specifier: ^4.2.7
+        version: 4.2.7
       hono-do:
         specifier: workspace:*
         version: link:../../packages/hono-do
@@ -102,8 +102,8 @@ importers:
   examples/counter-with-storage-helper:
     dependencies:
       hono:
-        specifier: ^3.6.0
-        version: 3.6.0
+        specifier: ^4.2.7
+        version: 4.2.7
       hono-do:
         specifier: workspace:*
         version: link:../../packages/hono-do
@@ -118,8 +118,8 @@ importers:
   examples/hibernatable-chat:
     dependencies:
       hono:
-        specifier: ^3.6.0
-        version: 3.6.0
+        specifier: ^4.2.7
+        version: 4.2.7
       hono-do:
         specifier: workspace:*
         version: link:../../packages/hono-do
@@ -2485,11 +2485,6 @@ packages:
       function-bind: 1.1.1
     dev: true
 
-  /hono@3.6.0:
-    resolution: {integrity: sha512-snkW8naO1WCrQvpAGE/du30Ek0h71gSM3g4RzzdPIB2LQnl12BEwZYH3s2Kssd6kXGORqHmpoyMBMLWtc9nzKQ==}
-    engines: {node: '>=16.0.0'}
-    dev: false
-
   /hono@4.2.7:
     resolution: {integrity: sha512-k1xHi86tJnRIVvqhFMBDGFKJ8r5O+bEsT4P59ZK59r0F300Xd910/r237inVfuT/VmE86RQQffX4OYNda6dLXw==}
     engines: {node: '>=16.0.0'}