diff --git a/device_framework_matrix_product.xml b/device_framework_matrix_product.xml
index 8fc154c..43b648e 100644
--- a/device_framework_matrix_product.xml
+++ b/device_framework_matrix_product.xml
@@ -104,7 +104,7 @@
     </hal>
     <hal format="aidl" optional="true" updatable-via-apex="true">
       <name>com.google.face.debug</name>
-        <version>3</version>
+        <version>4</version>
         <interface>
             <name>IDebugHost</name>
             <instance>default</instance>