diff --git a/grpc/tests/grpctest.cpp b/grpc/tests/grpctest.cpp
index decf5e5..6991b7e 100644
--- a/grpc/tests/grpctest.cpp
+++ b/grpc/tests/grpctest.cpp
@@ -14,8 +14,9 @@
  * limitations under the License.
  */
 
-#include <grpc++/grpc++.h>
+#include <grpcpp/grpcpp.h>
 
+#include <condition_variable>
 #include <thread>
 
 #include "monster_test.grpc.fb.h"