diff --git a/backend/Api/Startup.cs b/backend/Api/Startup.cs
index 08a2658..e2f5857 100644
--- a/backend/Api/Startup.cs
+++ b/backend/Api/Startup.cs
@@ -110,6 +110,8 @@ namespace Api
 
             app.UseRouting();
 
+            app.UseAuthentication();
+
             app.UseAuthorization();
 
             app.UseEndpoints(endpoints =>