diff --git a/src/app.ts b/src/app.ts
index 2806961..a00bd2a 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -10,6 +10,7 @@ import {
   type Handler,
   Hono,
   type HonoEnv,
+  Input,
   logger,
   type MiddlewareHandler,
   sentryMiddleware,
@@ -102,7 +103,7 @@ interface AppEnv extends HonoEnv {
 
 type AppContext = Context<AppEnv>;
 type AppMiddleware = MiddlewareHandler<AppEnv>;
-type AppController = Handler<AppEnv>;
+type AppController = Handler<AppEnv, any, Input, Response | Promise<Response>>;
 
 const app = new Hono<AppEnv>();
 
diff --git a/src/deps.ts b/src/deps.ts
index 07ad53d..14fa9ae 100644
--- a/src/deps.ts
+++ b/src/deps.ts
@@ -5,6 +5,7 @@ export {
   type Handler,
   Hono,
   HTTPException,
+  type Input,
   type MiddlewareHandler,
 } from 'https://deno.land/x/hono@v3.10.1/mod.ts';
 export { cors, logger, serveStatic } from 'https://deno.land/x/hono@v3.10.1/middleware.ts';