diff --git a/package.json b/package.json
index b2079ad..14a6cac 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": "^4.2.0",
     "pdf-parse": "^1.1.1",
     "pdf2json": "^3.0.5"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a259af1..255e121 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: ^4.2.0
+    version: 4.2.0
   pdf-parse:
     specifier: ^1.1.1
     version: 1.1.1
@@ -2606,8 +2606,8 @@ packages:
       function-bind: 1.1.2
     dev: true
 
-  /hono@3.12.12:
-    resolution: {integrity: sha512-5IAMJOXfpA5nT+K0MNjClchzz0IhBHs2Szl7WFAhrFOsbtQsYmNynFyJRg/a3IPsmCfxcrf8txUGiNShXpK5Rg==}
+  /hono@4.2.0:
+    resolution: {integrity: sha512-4A9WSwQW1V1Bby07Ida1FZwvYceSkByd8uoxvcmYSPaEWIZqutn/s5jE3CJOci8Jt//vb9VDn+5B3xobIzvA6A==}
     engines: {node: '>=16.0.0'}
     dev: false