diff --git a/src/python/grpcio_tests/tests/health_check/BUILD.bazel b/src/python/grpcio_tests/tests/health_check/BUILD.bazel
index 77bc61aa30e..49f076be9a1 100644
--- a/src/python/grpcio_tests/tests/health_check/BUILD.bazel
+++ b/src/python/grpcio_tests/tests/health_check/BUILD.bazel
@@ -9,6 +9,7 @@ py_test(
         "//src/python/grpcio/grpc:grpcio",
         "//src/python/grpcio_health_checking/grpc_health/v1:grpc_health",
         "//src/python/grpcio_tests/tests/unit:test_common",
+        "//src/python/grpcio_tests/tests/unit:thread_pool",
         "//src/python/grpcio_tests/tests/unit/framework/common:common",
     ],
     imports = ["../../",],