diff --git a/src/Servers/IIS/IIS/test/IIS.Tests/ResponseAbortTests.cs b/src/Servers/IIS/IIS/test/IIS.Tests/ResponseAbortTests.cs
index c240382137ea..4c50dba7346e 100644
--- a/src/Servers/IIS/IIS/test/IIS.Tests/ResponseAbortTests.cs
+++ b/src/Servers/IIS/IIS/test/IIS.Tests/ResponseAbortTests.cs
@@ -33,6 +33,7 @@ public async Task ClosesWithoutSendingAnything()
         }
 
         [ConditionalFact]
+        [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/31404")]
         public async Task ClosesAfterDataSent()
         {
             var bodyReceived = CreateTaskCompletionSource();