diff --git a/automotive/audiocontrol/aidl/default/audiocontrol-default.xml b/automotive/audiocontrol/aidl/default/audiocontrol-default.xml
index e82f6fa..3452ae9 100644
--- a/automotive/audiocontrol/aidl/default/audiocontrol-default.xml
+++ b/automotive/audiocontrol/aidl/default/audiocontrol-default.xml
@@ -1,5 +1,6 @@
 <manifest version="2.0" type="device">
     <hal format="aidl">
+        <version>2</version>
         <name>android.hardware.automotive.audiocontrol</name>
         <fqname>IAudioControl/default</fqname>
     </hal>