diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index 464b4a3..930c763 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -2,6 +2,7 @@
     <hal format="hidl" optional="false">
         <name>android.hardware.audio</name>
         <version>2.0</version>
+        <version>4.0</version>
         <interface>
             <name>IDevicesFactory</name>
             <instance>default</instance>
@@ -10,6 +11,7 @@
     <hal format="hidl" optional="false">
         <name>android.hardware.audio.effect</name>
         <version>2.0</version>
+        <version>4.0</version>
         <interface>
             <name>IEffectsFactory</name>
             <instance>default</instance>