diff --git a/libs/input/Android.bp b/libs/input/Android.bp
index ff26184..0a180a4 100644
--- a/libs/input/Android.bp
+++ b/libs/input/Android.bp
@@ -225,6 +225,7 @@
     srcs: [
         "AccelerationCurve.cpp",
         "CoordinateFilter.cpp",
+        "DisplayTopologyGraph.cpp",
         "Input.cpp",
         "InputConsumer.cpp",
         "InputConsumerNoResampling.cpp",