diff --git a/Android.bp b/Android.bp
index ed1c6cf..b25ef36 100644
--- a/Android.bp
+++ b/Android.bp
@@ -99,6 +99,7 @@
     srcs: [
         "hwc3/Composer.cpp",
         "hwc3/ComposerClient.cpp",
+        "hwc3/DrmHwcThree.cpp",
     ],
 }