diff --git a/syntax/edc.vim b/syntax/edc.vim
index ec99cc0..c822fb4 100644
--- a/syntax/edc.vim
+++ b/syntax/edc.vim
@@ -52,6 +52,7 @@ syn keyword	edcLabel	insert_before insert_after contained
 syn keyword	edcLabel 	script_recursion contained
 syn keyword	edcLabel	limit broadcast_signal targets target_group groups size_range contained
 syn keyword	edcLabel	select_mode cursor_mode repch
+syn keyword	edcLabel	required contained
 " LazEDC synonyms
 syn keyword	edcLabel 	before after ignore pointer alt_font clip  contained