diff --git a/languages/dart/highlights.scm b/languages/dart/highlights.scm
index c45cc7a..49b0be3 100644
--- a/languages/dart/highlights.scm
+++ b/languages/dart/highlights.scm
@@ -313,6 +313,7 @@
   "throw"
   "catch"
   "finally"
+  (rethrow_builtin)
   (break_statement)
 ] @keyword.exception