diff --git a/src/csharp/Grpc.Core.Tests/SanityTest.cs b/src/csharp/Grpc.Core.Tests/SanityTest.cs
index 73efad1f842..13c8c0d1431 100644
--- a/src/csharp/Grpc.Core.Tests/SanityTest.cs
+++ b/src/csharp/Grpc.Core.Tests/SanityTest.cs
@@ -102,6 +102,7 @@ namespace Grpc.Core.Tests
                 "Grpc.HealthCheck.Tests",
                 "Grpc.IntegrationTesting",
                 "Grpc.Reflection.Tests",
+                "Grpc.Tools.Tests",
             };
             foreach (var assemblyName in otherAssemblies)
             {