diff --git a/templates/http-api-with-distributed-workloads/http-api/package.json b/templates/http-api-with-distributed-workloads/http-api/package.json
index 0ea84719..14439cdc 100644
--- a/templates/http-api-with-distributed-workloads/http-api/package.json
+++ b/templates/http-api-with-distributed-workloads/http-api/package.json
@@ -18,7 +18,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@bytecodealliance/jco-std": "^0.1.3",
-    "hono": "^4.12.18"
+    "hono": "^4.12.21"
   },
   "devDependencies": {
     "@bytecodealliance/jco": "^1.15.4",
diff --git a/templates/http-api-with-distributed-workloads/package-lock.json b/templates/http-api-with-distributed-workloads/package-lock.json
index d7bb4062..d3656265 100644
--- a/templates/http-api-with-distributed-workloads/package-lock.json
+++ b/templates/http-api-with-distributed-workloads/package-lock.json
@@ -21,7 +21,7 @@
       "license": "Apache-2.0",
       "dependencies": {
         "@bytecodealliance/jco-std": "^0.1.3",
-        "hono": "^4.12.18"
+        "hono": "^4.12.21"
       },
       "devDependencies": {
         "@bytecodealliance/jco": "^1.15.4",
@@ -1211,9 +1211,9 @@
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     "node_modules/hono": {
-      "version": "4.12.18",
-      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.18.tgz",
-      "integrity": "sha512-RWzP96k/yv0PQfyXnWjs6zot20TqfpfsNXhOnev8d1InAxubW93L11/oNUc3tQqn2G0bSdAOBpX+2uDFHV7kdQ==",
+      "version": "4.12.21",
+      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.21.tgz",
+      "integrity": "sha512-uV63apnb0kyPtAUwoWgaGh9HyIFcv8lgmzPZSiTBQAFOFGIzka5EZ1dZocmGnn0XdX0+XTqJ6Tqv7selMuGLRQ==",
       "license": "MIT",
       "engines": {
         "node": ">=16.9.0"
diff --git a/templates/http-blobstore-handler-hono/package-lock.json b/templates/http-blobstore-handler-hono/package-lock.json
index 0bea116c..568e996b 100644
--- a/templates/http-blobstore-handler-hono/package-lock.json
+++ b/templates/http-blobstore-handler-hono/package-lock.json
@@ -10,7 +10,7 @@
       "license": "Apache-2.0",
       "dependencies": {
         "@bytecodealliance/jco-std": "^0.1.0",
-        "hono": "^4.12.18",
+        "hono": "^4.12.21",
         "zod": "^4.0.0"
       },
       "devDependencies": {
@@ -1159,9 +1159,9 @@
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     "node_modules/hono": {
-      "version": "4.12.18",
-      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.18.tgz",
-      "integrity": "sha512-RWzP96k/yv0PQfyXnWjs6zot20TqfpfsNXhOnev8d1InAxubW93L11/oNUc3tQqn2G0bSdAOBpX+2uDFHV7kdQ==",
+      "version": "4.12.21",
+      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.21.tgz",
+      "integrity": "sha512-uV63apnb0kyPtAUwoWgaGh9HyIFcv8lgmzPZSiTBQAFOFGIzka5EZ1dZocmGnn0XdX0+XTqJ6Tqv7selMuGLRQ==",
       "license": "MIT",
       "engines": {
         "node": ">=16.9.0"
diff --git a/templates/http-blobstore-handler-hono/package.json b/templates/http-blobstore-handler-hono/package.json
index 00526105..38e40c12 100644
--- a/templates/http-blobstore-handler-hono/package.json
+++ b/templates/http-blobstore-handler-hono/package.json
@@ -20,7 +20,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@bytecodealliance/jco-std": "^0.1.0",
-    "hono": "^4.12.18",
+    "hono": "^4.12.21",
     "zod": "^4.0.0"
   },
   "devDependencies": {
diff --git a/templates/http-filesystem-handler-hono/package-lock.json b/templates/http-filesystem-handler-hono/package-lock.json
index 32f581ae..2a49e7e3 100644
--- a/templates/http-filesystem-handler-hono/package-lock.json
+++ b/templates/http-filesystem-handler-hono/package-lock.json
@@ -10,7 +10,7 @@
       "license": "Apache-2.0",
       "dependencies": {
         "@bytecodealliance/jco-std": "^0.1.0",
-        "hono": "^4.12.18"
+        "hono": "^4.12.21"
       },
       "devDependencies": {
         "@bytecodealliance/jco": "^1.15.4",
@@ -1155,9 +1155,9 @@
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     "node_modules/hono": {
-      "version": "4.12.18",
-      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.18.tgz",
-      "integrity": "sha512-RWzP96k/yv0PQfyXnWjs6zot20TqfpfsNXhOnev8d1InAxubW93L11/oNUc3tQqn2G0bSdAOBpX+2uDFHV7kdQ==",
+      "version": "4.12.21",
+      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.21.tgz",
+      "integrity": "sha512-uV63apnb0kyPtAUwoWgaGh9HyIFcv8lgmzPZSiTBQAFOFGIzka5EZ1dZocmGnn0XdX0+XTqJ6Tqv7selMuGLRQ==",
       "license": "MIT",
       "engines": {
         "node": ">=16.9.0"
diff --git a/templates/http-filesystem-handler-hono/package.json b/templates/http-filesystem-handler-hono/package.json
index d30deb20..1320fd90 100644
--- a/templates/http-filesystem-handler-hono/package.json
+++ b/templates/http-filesystem-handler-hono/package.json
@@ -20,7 +20,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@bytecodealliance/jco-std": "^0.1.0",
-    "hono": "^4.12.18"
+    "hono": "^4.12.21"
   },
   "devDependencies": {
     "@bytecodealliance/jco": "^1.15.4",
diff --git a/templates/http-handler-hono/package-lock.json b/templates/http-handler-hono/package-lock.json
index 86a55ee4..964e278b 100644
--- a/templates/http-handler-hono/package-lock.json
+++ b/templates/http-handler-hono/package-lock.json
@@ -10,7 +10,7 @@
       "license": "Apache-2.0",
       "dependencies": {
         "@bytecodealliance/jco-std": "^0.1.0",
-        "hono": "^4.12.18",
+        "hono": "^4.12.21",
         "zod": "^4.0.0"
       },
       "devDependencies": {
@@ -1159,9 +1159,9 @@
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     },
     "node_modules/hono": {
-      "version": "4.12.18",
-      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.18.tgz",
-      "integrity": "sha512-RWzP96k/yv0PQfyXnWjs6zot20TqfpfsNXhOnev8d1InAxubW93L11/oNUc3tQqn2G0bSdAOBpX+2uDFHV7kdQ==",
+      "version": "4.12.21",
+      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.21.tgz",
+      "integrity": "sha512-uV63apnb0kyPtAUwoWgaGh9HyIFcv8lgmzPZSiTBQAFOFGIzka5EZ1dZocmGnn0XdX0+XTqJ6Tqv7selMuGLRQ==",
       "license": "MIT",
       "engines": {
         "node": ">=16.9.0"
diff --git a/templates/http-handler-hono/package.json b/templates/http-handler-hono/package.json
index 8f72193f..4e97b605 100644
--- a/templates/http-handler-hono/package.json
+++ b/templates/http-handler-hono/package.json
@@ -20,7 +20,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@bytecodealliance/jco-std": "^0.1.0",
-    "hono": "^4.12.18",
+    "hono": "^4.12.21",
     "zod": "^4.0.0"
   },
   "devDependencies": {
diff --git a/templates/http-hello-world-hono/package-lock.json b/templates/http-hello-world-hono/package-lock.json
index 039f5153..1119c417 100644
--- a/templates/http-hello-world-hono/package-lock.json
+++ b/templates/http-hello-world-hono/package-lock.json
@@ -10,7 +10,7 @@
       "license": "Apache-2.0",
       "dependencies": {
         "@bytecodealliance/jco-std": "^0.1.0",
-        "hono": "^4.12.18"
+        "hono": "^4.12.21"
       },
       "devDependencies": {
         "@bytecodealliance/jco": "^1.15.4",
@@ -1158,9 +1158,9 @@
       }
     },
     "node_modules/hono": {
-      "version": "4.12.18",
-      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.18.tgz",
-      "integrity": "sha512-RWzP96k/yv0PQfyXnWjs6zot20TqfpfsNXhOnev8d1InAxubW93L11/oNUc3tQqn2G0bSdAOBpX+2uDFHV7kdQ==",
+      "version": "4.12.21",
+      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.21.tgz",
+      "integrity": "sha512-uV63apnb0kyPtAUwoWgaGh9HyIFcv8lgmzPZSiTBQAFOFGIzka5EZ1dZocmGnn0XdX0+XTqJ6Tqv7selMuGLRQ==",
       "license": "MIT",
       "engines": {
         "node": ">=16.9.0"
diff --git a/templates/http-hello-world-hono/package.json b/templates/http-hello-world-hono/package.json
index 78b523e7..a1071db1 100644
--- a/templates/http-hello-world-hono/package.json
+++ b/templates/http-hello-world-hono/package.json
@@ -20,7 +20,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@bytecodealliance/jco-std": "^0.1.0",
-    "hono": "^4.12.18"
+    "hono": "^4.12.21"
   },
   "devDependencies": {
     "@bytecodealliance/jco": "^1.15.4",
diff --git a/templates/http-kv-handler-hono/package-lock.json b/templates/http-kv-handler-hono/package-lock.json
index 87cba1c4..cdcf14f8 100644
--- a/templates/http-kv-handler-hono/package-lock.json
+++ b/templates/http-kv-handler-hono/package-lock.json
@@ -10,7 +10,7 @@
       "license": "Apache-2.0",
       "dependencies": {
         "@bytecodealliance/jco-std": "^0.1.0",
-        "hono": "^4.12.18",
+        "hono": "^4.12.21",
         "zod": "^4.0.0"
       },
       "devDependencies": {
@@ -1159,9 +1159,9 @@
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     },
     "node_modules/hono": {
-      "version": "4.12.18",
-      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.18.tgz",
-      "integrity": "sha512-RWzP96k/yv0PQfyXnWjs6zot20TqfpfsNXhOnev8d1InAxubW93L11/oNUc3tQqn2G0bSdAOBpX+2uDFHV7kdQ==",
+      "version": "4.12.21",
+      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.21.tgz",
+      "integrity": "sha512-uV63apnb0kyPtAUwoWgaGh9HyIFcv8lgmzPZSiTBQAFOFGIzka5EZ1dZocmGnn0XdX0+XTqJ6Tqv7selMuGLRQ==",
       "license": "MIT",
       "engines": {
         "node": ">=16.9.0"
diff --git a/templates/http-kv-handler-hono/package.json b/templates/http-kv-handler-hono/package.json
index b79942cb..06c3b322 100644
--- a/templates/http-kv-handler-hono/package.json
+++ b/templates/http-kv-handler-hono/package.json
@@ -20,7 +20,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@bytecodealliance/jco-std": "^0.1.0",
-    "hono": "^4.12.18",
+    "hono": "^4.12.21",
     "zod": "^4.0.0"
   },
   "devDependencies": {
diff --git a/templates/http-logging-handler-hono/package-lock.json b/templates/http-logging-handler-hono/package-lock.json
index d4664241..8cb0e76d 100644
--- a/templates/http-logging-handler-hono/package-lock.json
+++ b/templates/http-logging-handler-hono/package-lock.json
@@ -10,7 +10,7 @@
       "license": "Apache-2.0",
       "dependencies": {
         "@bytecodealliance/jco-std": "^0.1.0",
-        "hono": "^4.12.18"
+        "hono": "^4.12.21"
       },
       "devDependencies": {
         "@bytecodealliance/jco": "^1.17.9",
@@ -1070,9 +1070,9 @@
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     },
     "node_modules/hono": {
-      "version": "4.12.18",
-      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.18.tgz",
-      "integrity": "sha512-RWzP96k/yv0PQfyXnWjs6zot20TqfpfsNXhOnev8d1InAxubW93L11/oNUc3tQqn2G0bSdAOBpX+2uDFHV7kdQ==",
+      "version": "4.12.21",
+      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.21.tgz",
+      "integrity": "sha512-uV63apnb0kyPtAUwoWgaGh9HyIFcv8lgmzPZSiTBQAFOFGIzka5EZ1dZocmGnn0XdX0+XTqJ6Tqv7selMuGLRQ==",
       "license": "MIT",
       "engines": {
         "node": ">=16.9.0"
diff --git a/templates/http-logging-handler-hono/package.json b/templates/http-logging-handler-hono/package.json
index 0bd8a0b2..aad7dc8a 100644
--- a/templates/http-logging-handler-hono/package.json
+++ b/templates/http-logging-handler-hono/package.json
@@ -20,7 +20,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@bytecodealliance/jco-std": "^0.1.0",
-    "hono": "^4.12.18"
+    "hono": "^4.12.21"
   },
   "devDependencies": {
     "@bytecodealliance/jco": "^1.17.9",
diff --git a/templates/service-tcp-echo/component/package.json b/templates/service-tcp-echo/component/package.json
index 34654bde..5e47d245 100644
--- a/templates/service-tcp-echo/component/package.json
+++ b/templates/service-tcp-echo/component/package.json
@@ -18,7 +18,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@bytecodealliance/jco-std": "^0.1.3",
-    "hono": "^4.12.18"
+    "hono": "^4.12.21"
   },
   "devDependencies": {
     "@bytecodealliance/jco": "^1.15.4",
diff --git a/templates/service-tcp-echo/package-lock.json b/templates/service-tcp-echo/package-lock.json
index 580f9e13..af7eead1 100644
--- a/templates/service-tcp-echo/package-lock.json
+++ b/templates/service-tcp-echo/package-lock.json
@@ -24,7 +24,7 @@
       "license": "Apache-2.0",
       "dependencies": {
         "@bytecodealliance/jco-std": "^0.1.3",
-        "hono": "^4.12.18"
+        "hono": "^4.12.21"
       },
       "devDependencies": {
         "@bytecodealliance/jco": "^1.15.4",
@@ -1505,9 +1505,9 @@
       }
     },
     "node_modules/hono": {
-      "version": "4.12.18",
-      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.18.tgz",
-      "integrity": "sha512-RWzP96k/yv0PQfyXnWjs6zot20TqfpfsNXhOnev8d1InAxubW93L11/oNUc3tQqn2G0bSdAOBpX+2uDFHV7kdQ==",
+      "version": "4.12.21",
+      "resolved": "https://registry.npmjs.org/hono/-/hono-4.12.21.tgz",
+      "integrity": "sha512-uV63apnb0kyPtAUwoWgaGh9HyIFcv8lgmzPZSiTBQAFOFGIzka5EZ1dZocmGnn0XdX0+XTqJ6Tqv7selMuGLRQ==",
       "license": "MIT",
       "engines": {
         "node": ">=16.9.0"
@@ -2387,9 +2387,9 @@
       "license": "MIT"
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-      "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.2.5.tgz",
-      "integrity": "sha512-voyz6MApa1rQGUxT3E+BK7/ROe8itEx7vD8/HEvt4xwXucvQ5G5oeEiHkmHZJuBO21RpOf+YYm9MOivj709jow==",
+      "version": "0.2.7",
+      "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.2.7.tgz",
+      "integrity": "sha512-e0votIpp4Uo2AJYSzVHV6xCcawuiez3DzqDAbrTc3YxBkplN6e+dM13ZeIcZnDg/QpSuU2zfZ3rzwY8ukEnaXw==",
       "dev": true,
       "license": "MIT",
       "engines": {