diff --git a/src/Identity/Specification.Tests/src/IdentitySpecificationTestBase.cs b/src/Identity/Specification.Tests/src/IdentitySpecificationTestBase.cs
index 7f587d5f87ee..aa9048fd36fd 100644
--- a/src/Identity/Specification.Tests/src/IdentitySpecificationTestBase.cs
+++ b/src/Identity/Specification.Tests/src/IdentitySpecificationTestBase.cs
@@ -5,6 +5,7 @@
 using System.Linq.Expressions;
 using System.Security.Claims;
 using Microsoft.AspNetCore.DataProtection;
+using Microsoft.AspNetCore.InternalTesting;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Xunit;
@@ -610,6 +611,7 @@ private List<TRole> GenerateRoles(string namePrefix, int count)
     /// Test.
     /// </summary>
     /// <returns>Task</returns>
+    [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/64055")]
     [Fact]
     public async Task CanAddAndRetrievePasskey()
     {
@@ -649,6 +651,7 @@ public async Task CanAddAndRetrievePasskey()
     /// Test.
     /// </summary>
     /// <returns>Task</returns>
+    [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/64055")]
     [Fact]
     public async Task CanRemovePasskey()
     {
@@ -687,6 +690,7 @@ public async Task CanRemovePasskey()
     /// Test.
     /// </summary>
     /// <returns>Task</returns>
+    [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/64055")]
     [Fact]
     public async Task CanAddMultiplePasskeys()
     {
@@ -743,6 +747,7 @@ public async Task CanAddMultiplePasskeys()
     /// Test.
     /// </summary>
     /// <returns>Task</returns>
+    [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/64055")]
     [Fact]
     public async Task UpdatingPasskeyChangesOnlyMutableFields()
     {