diff --git a/java/com/android/modules/targetprep/proto/Android.bp b/java/com/android/modules/targetprep/proto/Android.bp
index 2cbe441..07a21a7 100644
--- a/java/com/android/modules/targetprep/proto/Android.bp
+++ b/java/com/android/modules/targetprep/proto/Android.bp
@@ -12,6 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
 java_library_host {
     name: "classpath_classes_proto_java",
     srcs: [