diff --git a/build.json b/build.json
index fdb32eb..602d775 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/call.h",
         "include/grpc++/impl/client_unary_call.h",
         "include/grpc++/impl/internal_stub.h",
         "include/grpc++/impl/rpc_method.h",