diff --git a/health/aidl/Android.bp b/health/aidl/Android.bp
index d2ad3b1..3645718 100644
--- a/health/aidl/Android.bp
+++ b/health/aidl/Android.bp
@@ -50,8 +50,13 @@
             version: "3",
             imports: [],
         },
+        {
+            version: "4",
+            imports: [],
+        },
+
     ],
-    frozen: false,
+    frozen: true,
 
 }