diff --git a/src/Grpc/Interop/test/InteropTests/InteropTests.cs b/src/Grpc/Interop/test/InteropTests/InteropTests.cs
index 825c0ff3c06a..3fa50329e3cd 100644
--- a/src/Grpc/Interop/test/InteropTests/InteropTests.cs
+++ b/src/Grpc/Interop/test/InteropTests/InteropTests.cs
@@ -61,6 +61,7 @@ public InteropTests(ITestOutputHelper output)
     public Task UnimplementedService() => InteropTestCase("unimplemented_service");
 
     [Fact]
+    [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/55652")]
     public Task UnimplementedMethod() => InteropTestCase("unimplemented_method");
 
     [Fact]