diff --git a/package.json b/package.json
index 0a68703..ca936d9 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   "license": "MIT",
   "dependencies": {
     "cheerio": "1.0.0-rc.12",
-    "hono": "^3.12.12",
+    "hono": "^4.0.1",
     "pdf-parse": "^1.1.1",
     "pdf2json": "^3.0.5"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b832177..a89c126 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -9,8 +9,8 @@ dependencies:
     specifier: 1.0.0-rc.12
     version: 1.0.0-rc.12
   hono:
-    specifier: ^3.12.12
-    version: 3.12.12
+    specifier: ^4.0.1
+    version: 4.0.1
   pdf-parse:
     specifier: ^1.1.1
     version: 1.1.1
@@ -45,7 +45,7 @@ devDependencies:
     version: 3.2.5
   wrangler:
     specifier: ^3.28.1
-    version: 3.28.1(@cloudflare/workers-types@4.20240129.0)
+    version: 3.28.1(@cloudflare/workers-types@4.20240208.0)
 
 packages:
 
@@ -2606,8 +2606,8 @@ packages:
       function-bind: 1.1.2
     dev: true
 
-  /hono@3.12.12:
-    resolution: {integrity: sha512-5IAMJOXfpA5nT+K0MNjClchzz0IhBHs2Szl7WFAhrFOsbtQsYmNynFyJRg/a3IPsmCfxcrf8txUGiNShXpK5Rg==}
+  /hono@4.0.1:
+    resolution: {integrity: sha512-S9cREGPJIAK437RhroOf1PGlJPIlt5itl69OmQ6onPLo5pdCbSHGL8v4uAKxrdHjcTyuoyvKPqWm5jv0dGkdFA==}
     engines: {node: '>=16.0.0'}
     dev: false
 
@@ -4473,7 +4473,7 @@ packages:
       '@cloudflare/workerd-windows-64': 1.20240129.0
     dev: true
 
-  /wrangler@3.28.1(@cloudflare/workers-types@4.20240129.0):
+  /wrangler@3.28.1(@cloudflare/workers-types@4.20240208.0):
     resolution: {integrity: sha512-3O8vCzd7IC71Kciu/+oDVO0VZ83ujlUuKwmCkv6/zzt4WAoYu0vk7PyEo4WvlsSbZL8aHuv3bS917rd6TM1/9Q==}
     engines: {node: '>=16.17.0'}
     hasBin: true
@@ -4484,7 +4484,7 @@ packages:
         optional: true
     dependencies:
       '@cloudflare/kv-asset-handler': 0.2.0
-      '@cloudflare/workers-types': 4.20240129.0
+      '@cloudflare/workers-types': 4.20240208.0
       '@esbuild-plugins/node-globals-polyfill': 0.2.3(esbuild@0.17.19)
       '@esbuild-plugins/node-modules-polyfill': 0.2.2(esbuild@0.17.19)
       blake3-wasm: 2.1.5