diff --git a/server/src/api/controllers/leaderboardController.js b/server/src/api/controllers/leaderboardController.ts
similarity index 73%
rename from server/src/api/controllers/leaderboardController.js
rename to server/src/api/controllers/leaderboardController.ts
index 4f497a1..d632cf6 100644
--- a/server/src/api/controllers/leaderboardController.js
+++ b/server/src/api/controllers/leaderboardController.ts
@@ -1,7 +1,8 @@
+import type { Request, Response } from 'express'
 import { asyncHandler } from '../../middleware/error.js'
 import { leaderboard } from '../../models/userManager.js'
 
-export default asyncHandler(async (req, res) => {
+export default asyncHandler(async (req: Request, res: Response) => {
   const users = await leaderboard()
   const response = users.map((user) => ({
     username: user.user.username,