diff --git a/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2ConnectionTests.cs b/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2ConnectionTests.cs
index d5167aab7c07..e79ca27d5059 100644
--- a/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2ConnectionTests.cs
+++ b/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2ConnectionTests.cs
@@ -163,6 +163,7 @@ await ExpectAsync(Http2FrameType.DATA,
         AssertConnectionNoError();
     }
 
+    [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/65915")]
     [Fact]
     public async Task RequestHeaderStringReuse_MultipleStreams_KnownHeaderReused()
     {