diff --git a/graphics/composer/2.1/Android.bp b/graphics/composer/2.1/Android.bp
index f309439..f5ab965 100644
--- a/graphics/composer/2.1/Android.bp
+++ b/graphics/composer/2.1/Android.bp
@@ -34,6 +34,7 @@
     ],
     out: [
         "android/hardware/graphics/composer/2.1/types.h",
+        "android/hardware/graphics/composer/2.1/hwtypes.h",
         "android/hardware/graphics/composer/2.1/IComposer.h",
         "android/hardware/graphics/composer/2.1/IHwComposer.h",
         "android/hardware/graphics/composer/2.1/BnHwComposer.h",