diff --git a/camera/metadata/aidl/Android.bp b/camera/metadata/aidl/Android.bp
index 374eefc..ae8ba14 100644
--- a/camera/metadata/aidl/Android.bp
+++ b/camera/metadata/aidl/Android.bp
@@ -12,7 +12,7 @@
     name: "android.hardware.camera.metadata",
     vendor_available: true,
     srcs: ["android/hardware/camera/metadata/*.aidl"],
-    frozen: false,
+    frozen: true,
     stability: "vintf",
     backend: {
         cpp: {
@@ -34,6 +34,10 @@
             version: "2",
             imports: [],
         },
+        {
+            version: "3",
+            imports: [],
+        },
 
     ],