Update build.yaml
diff --git a/binding.gyp b/binding.gyp
index 0023c24..dd2ecb0 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -722,7 +722,7 @@
         'src/core/lib/surface/completion_queue.c',
         'src/core/lib/surface/completion_queue_factory.c',
         'src/core/lib/surface/event_string.c',
-        'src/core/lib/surface/lame_client.c',
+        'src/core/lib/surface/lame_client.cc',
         'src/core/lib/surface/metadata_array.c',
         'src/core/lib/surface/server.c',
         'src/core/lib/surface/validate_metadata.c',