diff --git a/test/Identity.IntegrationTest/Endpoints/IdentityServerTwoFactorTests.cs b/test/Identity.IntegrationTest/Endpoints/IdentityServerTwoFactorTests.cs
index 7c85c4003d..6f0ef20295 100644
--- a/test/Identity.IntegrationTest/Endpoints/IdentityServerTwoFactorTests.cs
+++ b/test/Identity.IntegrationTest/Endpoints/IdentityServerTwoFactorTests.cs
@@ -15,6 +15,7 @@ using Bit.Identity.Models.Request.Accounts;
 using Bit.IntegrationTestCommon.Factories;
 using Bit.Test.Common.AutoFixture.Attributes;
 using Bit.Test.Common.Helpers;
+using Duende.IdentityModel;
 using Duende.IdentityServer.Models;
 using Duende.IdentityServer.Stores;
 using LinqToDB;