diff --git a/src/routes/auth.routes.tsx b/src/routes/auth.routes.tsx
index d75407f..0431efc 100644
--- a/src/routes/auth.routes.tsx
+++ b/src/routes/auth.routes.tsx
@@ -1,9 +1,16 @@
-import { createNativeStackNavigator } from '@react-navigation/native-stack';
+import { createNativeStackNavigator, NativeStackNavigationProp } from '@react-navigation/native-stack';
 
 import { SignIn } from '@screens/SignIn';
 import { SignUp } from '@screens/SignUp';
 
-const { Navigator, Screen } = createNativeStackNavigator();
+type AuthRoutes = {
+  SignIn: undefined,
+  SignUp: undefined,
+}
+
+export type AuthNavigatorRoutesProps = NativeStackNavigationProp<AuthRoutes>;
+
+const { Navigator, Screen } = createNativeStackNavigator<AuthRoutes>();
 
 export function AuthRoutes() {
   return (