diff --git a/services/bufferhub/Android.bp b/services/bufferhub/Android.bp
index 8b43333..28a7501 100644
--- a/services/bufferhub/Android.bp
+++ b/services/bufferhub/Android.bp
@@ -25,6 +25,7 @@
         "BufferClient.cpp",
         "BufferHubService.cpp",
         "BufferNode.cpp",
+        "UniqueIdGenerator.cpp",
     ],
     header_libs: [
         "libbufferhub_headers",