diff --git a/proto/collections/collections.proto b/proto/collections/collections.proto
index 1a56f9420e49a5c6e18f1ee327a8eca32d3b1b85..4e34c5ca6c8f4f3a7c1a203a4c4f607e86aaf2d9 100644
--- a/proto/collections/collections.proto
+++ b/proto/collections/collections.proto
@@ -114,6 +114,7 @@ message ListRequest {
     bool include_hidden = 6;
     repeated string name = 3;
     repeated string id = 4;
+    repeated string tag = 7;
   }
 
   string space_id = 1;