diff --git a/package.json b/package.json
index c9f0db0..05434c1 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
   "license": "MIT",
   "dependencies": {
     "cheerio": "1.1.0",
-    "hono": "^3.12.12",
+    "hono": "^4.8.3",
     "pdf-parse": "^1.1.1",
     "pdf2json": "^3.1.6"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ee41963..affeb57 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -12,8 +12,8 @@ importers:
         specifier: 1.1.0
         version: 1.1.0
       hono:
-        specifier: ^3.12.12
-        version: 3.12.12
+        specifier: ^4.8.3
+        version: 4.8.3
       pdf-parse:
         specifier: ^1.1.1
         version: 1.1.1
@@ -1536,9 +1536,9 @@ packages:
     resolution: {integrity: sha512-vUptKVTpIJhcczKBbgnS+RtcuYMB8+oNzPK2/Hp3hanz8JmpATdmmgLgSaadVREkDm+e2giHwY3ZRkyjSIDDFA==}
     engines: {node: '>= 0.4'}
 
-  hono@3.12.12:
-    resolution: {integrity: sha512-5IAMJOXfpA5nT+K0MNjClchzz0IhBHs2Szl7WFAhrFOsbtQsYmNynFyJRg/a3IPsmCfxcrf8txUGiNShXpK5Rg==}
-    engines: {node: '>=16.0.0'}
+  hono@4.8.3:
+    resolution: {integrity: sha512-jYZ6ZtfWjzBdh8H/0CIFfCBHaFL75k+KMzaM177hrWWm2TWL39YMYaJgB74uK/niRc866NMlH9B8uCvIo284WQ==}
+    engines: {node: '>=16.9.0'}
 
   html-escaper@2.0.2:
     resolution: {integrity: sha512-H2iMtd0I4Mt5eYiapRdIDjp+XzelXQ0tFE4JS7YFwFevXXMmOp9myNrUvCg0D6ws8iqkRPBfKHgbwig1SmlLfg==}
@@ -4193,7 +4193,7 @@ snapshots:
     dependencies:
       function-bind: 1.1.2
 
-  hono@3.12.12: {}
+  hono@4.8.3: {}
 
   html-escaper@2.0.2: {}