diff --git a/compatibility_matrix.1.xml b/compatibility_matrix.1.xml
index c9b68a8..6ba87c0 100644
--- a/compatibility_matrix.1.xml
+++ b/compatibility_matrix.1.xml
@@ -1,4 +1,4 @@
-<compatibility-matrix version="1.0" type="framework">
+<compatibility-matrix version="1.0" type="framework" level="1">
     <hal format="hidl" optional="false">
         <name>android.hardware.audio</name>
         <version>2.0</version>
diff --git a/compatibility_matrix.2.xml b/compatibility_matrix.2.xml
index 5c81f26..ea8dde8 100644
--- a/compatibility_matrix.2.xml
+++ b/compatibility_matrix.2.xml
@@ -1,4 +1,4 @@
-<compatibility-matrix version="1.0" type="framework">
+<compatibility-matrix version="1.0" type="framework" level="2">
     <hal format="hidl" optional="false">
         <name>android.hardware.audio</name>
         <version>2.0</version>
diff --git a/compatibility_matrix.current.xml b/compatibility_matrix.current.xml
index 5a2563c..5b033e7 100644
--- a/compatibility_matrix.current.xml
+++ b/compatibility_matrix.current.xml
@@ -1,4 +1,4 @@
-<compatibility-matrix version="1.0" type="framework">
+<compatibility-matrix version="1.0" type="framework" level="3">
     <hal format="hidl" optional="false">
         <name>android.hardware.audio</name>
         <version>2.0</version>
diff --git a/compatibility_matrix.legacy.xml b/compatibility_matrix.legacy.xml
index ad6d4b9..6792598 100644
--- a/compatibility_matrix.legacy.xml
+++ b/compatibility_matrix.legacy.xml
@@ -1,4 +1,4 @@
-<compatibility-matrix version="1.0" type="framework">
+<compatibility-matrix version="1.0" type="framework" level="legacy">
     <hal format="hidl" optional="false">
         <name>android.hardware.audio</name>
         <version>2.0</version>