diff --git a/core/proto/android/stats/docsui/docsui_enums.proto b/core/proto/android/stats/docsui/docsui_enums.proto
index f648912d36eb64a4657e9c3e29e0f8ac310c35b1..5963f6a7f938c52249206b59f6557bcde160521a 100644
--- a/core/proto/android/stats/docsui/docsui_enums.proto
+++ b/core/proto/android/stats/docsui/docsui_enums.proto
@@ -56,6 +56,7 @@ enum Root {
     ROOT_VIDEOS = 9;
     ROOT_MTP = 10;
     ROOT_THIRD_PARTY_APP = 11;
+    ROOT_DOCUMENTS = 12;
 }
 
 enum ContextScope {