Async server works
diff --git a/build.json b/build.json
index 08b1e18..a8dc2e6 100644
--- a/build.json
+++ b/build.json
@@ -1849,6 +1849,7 @@
         "test/cpp/qps/client.cc",
         "test/cpp/qps/client_async.cc",
         "test/cpp/qps/server.cc",
+        "test/cpp/qps/server_async.cc",
         "test/cpp/qps/worker.cc"
       ],
       "deps": [