diff --git a/src/Servers/Kestrel/test/FunctionalTests/Http2/ShutdownTests.cs b/src/Servers/Kestrel/test/FunctionalTests/Http2/ShutdownTests.cs
index c0b354254419..5afea7324a67 100644
--- a/src/Servers/Kestrel/test/FunctionalTests/Http2/ShutdownTests.cs
+++ b/src/Servers/Kestrel/test/FunctionalTests/Http2/ShutdownTests.cs
@@ -45,6 +45,7 @@ public ShutdownTests()
     }
 
     [ConditionalFact]
+    [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/51770")]
     public async Task ConnectionClosedWithoutActiveRequestsOrGoAwayFIN()
     {
         var connectionClosed = new TaskCompletionSource(TaskCreationOptions.RunContinuationsAsynchronously);