diff --git a/src/Servers/Kestrel/test/FunctionalTests/RequestTests.cs b/src/Servers/Kestrel/test/FunctionalTests/RequestTests.cs
index 090c9aac86..3086fbc40d 100644
--- a/src/Servers/Kestrel/test/FunctionalTests/RequestTests.cs
+++ b/src/Servers/Kestrel/test/FunctionalTests/RequestTests.cs
@@ -500,6 +500,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.FunctionalTests
 
         [Theory]
         [MemberData(nameof(ConnectionMiddlewareData))]
+        [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/23043")]
         public async Task ConnectionClosedTokenFiresOnClientFIN(ListenOptions listenOptions)
         {
             var testContext = new TestServiceContext(LoggerFactory);