diff --git a/compatibility_matrices/compatibility_matrix.7.xml b/compatibility_matrices/compatibility_matrix.7.xml
index acee459..26b8d63 100644
--- a/compatibility_matrices/compatibility_matrix.7.xml
+++ b/compatibility_matrices/compatibility_matrix.7.xml
@@ -142,6 +142,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.bluetooth.audio</name>
+        <version>2</version>
         <interface>
             <name>IBluetoothAudioProviderFactory</name>
             <instance>default</instance>