diff --git a/build.json b/build.json
index f42c77c..fdb32eb 100644
--- a/build.json
+++ b/build.json
@@ -385,6 +385,7 @@
         "include/grpc++/config.h",
         "include/grpc++/create_channel.h",
         "include/grpc++/credentials.h",
+        "include/grpc++/impl/client_unary_call.h",
         "include/grpc++/impl/internal_stub.h",
         "include/grpc++/impl/rpc_method.h",
         "include/grpc++/impl/rpc_service_method.h",
@@ -406,6 +407,7 @@
         "src/cpp/client/channel.cc",
         "src/cpp/client/channel_arguments.cc",
         "src/cpp/client/client_context.cc",
+        "src/cpp/client/client_unary_call.cc",
         "src/cpp/client/create_channel.cc",
         "src/cpp/client/credentials.cc",
         "src/cpp/client/internal_stub.cc",