diff --git a/app.ts b/app.ts
index aa23623e..54104069 100644
--- a/app.ts
+++ b/app.ts
@@ -1,8 +1,8 @@
 import { sentry } from "@/sentry";
-import { Hono } from "@hono/hono";
 import { cors } from "@hono/hono/cors";
 import { prettyJSON } from "@hono/hono/pretty-json";
 import { secureHeaders } from "@hono/hono/secure-headers";
+import { OpenAPIHono } from "@hono/zod-openapi";
 /* import { prometheus } from "@hono/prometheus";
  */ import { getLogger } from "@logtape/logtape";
 import { config } from "~/packages/config-manager/index";
@@ -18,7 +18,7 @@ import type { ApiRouteExports } from "./types/api";
 export const appFactory = async () => {
     const serverLogger = getLogger("server");
 
-    const app = new Hono({
+    const app = new OpenAPIHono({
         strict: false,
     });
 
diff --git a/bun.lockb b/bun.lockb
index 8cc4d7ce..c4db7f36 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/package.json b/package.json
index b66cc473..7ae47eb9 100644
--- a/package.json
+++ b/package.json
@@ -100,6 +100,7 @@
         "@hackmd/markdown-it-task-lists": "^2.1.4",
         "@hono/hono": "npm:@jsr/hono__hono@4.5.9",
         "@hono/prometheus": "^1.0.1",
+        "@hono/zod-openapi": "^0.16.0",
         "@hono/zod-validator": "^0.2.2",
         "@inquirer/confirm": "^3.1.22",
         "@inquirer/input": "^2.2.9",
diff --git a/types/api.ts b/types/api.ts
index 75e023c3..04e49db2 100644
--- a/types/api.ts
+++ b/types/api.ts
@@ -1,5 +1,5 @@
-import type { Hono } from "@hono/hono";
 import type { RouterRoute } from "@hono/hono/types";
+import type { OpenAPIHono } from "@hono/zod-openapi";
 import type {
     Delete,
     Follow,
@@ -49,7 +49,7 @@ export interface ApiRouteExports {
         query?: z.AnyZodObject;
         body?: z.AnyZodObject;
     };
-    default: (app: Hono) => RouterRoute;
+    default: (app: OpenAPIHono) => RouterRoute;
 }
 
 export type KnownEntity =
diff --git a/utils/api.ts b/utils/api.ts
index a8ac6326..0823603d 100644
--- a/utils/api.ts
+++ b/utils/api.ts
@@ -1,6 +1,7 @@
-import type { Context, Hono } from "@hono/hono";
+import type { Context } from "@hono/hono";
 import { createMiddleware } from "@hono/hono/factory";
 import { validator } from "@hono/hono/validator";
+import type { OpenAPIHono } from "@hono/zod-openapi";
 import { getLogger } from "@logtape/logtape";
 import { extractParams, verifySolution } from "altcha-lib";
 import chalk from "chalk";
@@ -46,7 +47,7 @@ export const applyConfig = (routeMeta: ApiRouteMetadata) => {
 
 export const apiRoute = (
     fn: (
-        app: Hono /* <{
+        app: OpenAPIHono /* <{
             Bindings: {};
         }> */,
     ) => void,
diff --git a/utils/server.ts b/utils/server.ts
index 963391f0..c6de74c2 100644
--- a/utils/server.ts
+++ b/utils/server.ts
@@ -1,7 +1,7 @@
-import type { Hono } from "@hono/hono";
+import type { OpenAPIHono } from "@hono/zod-openapi";
 import type { Config } from "~/packages/config-manager/config.type";
 
-export const createServer = (config: Config, app: Hono) =>
+export const createServer = (config: Config, app: OpenAPIHono) =>
     Bun.serve({
         port: config.http.bind_port,
         reusePort: true,