diff --git a/src/Servers/IIS/IIS/test/Common.FunctionalTests/Inprocess/SynchronousReadAndWriteTests.cs b/src/Servers/IIS/IIS/test/Common.FunctionalTests/Inprocess/SynchronousReadAndWriteTests.cs
index 034cc48fd7..47feb54c29 100644
--- a/src/Servers/IIS/IIS/test/Common.FunctionalTests/Inprocess/SynchronousReadAndWriteTests.cs
+++ b/src/Servers/IIS/IIS/test/Common.FunctionalTests/Inprocess/SynchronousReadAndWriteTests.cs
@@ -22,6 +22,7 @@ namespace Microsoft.AspNetCore.Server.IIS.FunctionalTests.InProcess
         }
 
         [ConditionalFact]
+        [Flaky("https://github.com/aspnet/AspNetCore/issues/7341", FlakyOn.Helix.All)]
         public async Task ReadAndWriteSynchronously()
         {
             for (int i = 0; i < 100; i++)