diff --git a/apps/web/src/hooks/useAuthInfo.ts b/apps/web/src/hooks/useAuthInfo.ts
index b2e17a81..f3fb1d38 100644
--- a/apps/web/src/hooks/useAuthInfo.ts
+++ b/apps/web/src/hooks/useAuthInfo.ts
@@ -1,10 +1,16 @@
 import { useEffect } from 'react';
 
-import useAuthStore from '@/stores/useAuthStore';
+import useAuthStore, { AuthInfo } from '@/stores/useAuthStore';
 
 import { useUserProfileOfMe } from './api/user';
 
-const useAuthInfo = () => {
+interface AuthInfoReturn {
+  isLoading: boolean;
+  isAuthenticated: boolean;
+  authInfo: AuthInfo | null;
+}
+
+const useAuthInfo = (): AuthInfoReturn => {
   const { data: user, isError } = useUserProfileOfMe();
   const isAuthenticated = useAuthStore((state) => state.isAuthenticated);
   const authInfo = useAuthStore((state) => state.authInfo);
diff --git a/apps/web/src/stores/useAuthStore.ts b/apps/web/src/stores/useAuthStore.ts
index 52ee63ba..73a8da21 100644
--- a/apps/web/src/stores/useAuthStore.ts
+++ b/apps/web/src/stores/useAuthStore.ts
@@ -2,7 +2,7 @@ import { create } from 'zustand';
 import { persist } from 'zustand/middleware';
 import { Provider } from '@repo/types';
 
-interface AuthInfo {
+export interface AuthInfo {
   nickname: string;
   profileImageUrl: string;
   provider: Provider;