diff --git a/device_framework_matrix_product.xml b/device_framework_matrix_product.xml
index 1dc0ee8..2e94838 100644
--- a/device_framework_matrix_product.xml
+++ b/device_framework_matrix_product.xml
@@ -124,7 +124,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>com.google.edgetpu.dba</name>
-        <version>2</version>
+        <version>1</version>
         <interface>
             <name>IDevice</name>
             <instance>default</instance>