diff --git a/languages/ruby/brackets.scm b/languages/ruby/brackets.scm
index f5129f8..1e2a75c 100644
--- a/languages/ruby/brackets.scm
+++ b/languages/ruby/brackets.scm
@@ -1,3 +1,4 @@
+("(" @open ")" @close)
 ("[" @open "]" @close)
 ("{" @open "}" @close)
 ("\"" @open "\"" @close)