diff --git a/compatibility_matrices/compatibility_matrix.9.xml b/compatibility_matrices/compatibility_matrix.9.xml
index 6bda4a1..2c178cd 100644
--- a/compatibility_matrices/compatibility_matrix.9.xml
+++ b/compatibility_matrices/compatibility_matrix.9.xml
@@ -117,7 +117,7 @@
     </hal>
     <hal format="aidl" optional="true" updatable-via-apex="true">
         <name>android.hardware.biometrics.face</name>
-        <version>3</version>
+        <version>3-4</version>
         <interface>
             <name>IFace</name>
             <instance>default</instance>