diff --git a/solr.cfg b/solr.cfg
index e4f1b6e..a21022c 100644
--- a/solr.cfg
+++ b/solr.cfg
@@ -68,6 +68,9 @@ index =
     name:UID              type:string stored:true required:true
     name:get_full_title   type:string stored:true
     name:has_final_unsigned_version type:boolean stored:true
+    name:can_last_version_validate type:boolean stored:true
+    name:has_last_version_accept type:boolean stored:true
+    name:has_last_version_refuse type:boolean stored:true
     name:sender_as_text   type:text stored:true
     name:recipients_as_text type:text stored:true
     name:object_folders   type:string stored:false multivalued:true