diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index b2433e9..dcc5b11 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -78,6 +78,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.automotive.audiocontrol</name>
+        <version>2</version>
         <interface>
             <name>IAudioControl</name>
             <instance>default</instance>