diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index c480c13..f8731db 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -271,6 +271,14 @@
             <instance>default</instance>
         </interface>
     </hal>
+    <hal format="aidl" optional="true">
+        <name>android.hardware.graphics.allocator</name>
+        <version>1</version>
+        <interface>
+            <name>IAllocator</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
     <hal format="hidl" optional="false">
         <name>android.hardware.graphics.composer</name>
         <version>2.1-4</version>