diff --git a/core/java/android/content/AttributionSource.aidl b/core/java/android/content/AttributionSource.aidl
index 10d5c274ae910..7554cb24b41fa 100644
--- a/core/java/android/content/AttributionSource.aidl
+++ b/core/java/android/content/AttributionSource.aidl
@@ -16,4 +16,5 @@
 
 package android.content;
 
+@JavaOnlyStableParcelable
 parcelable AttributionSource;