diff --git a/languages/dart/highlights.scm b/languages/dart/highlights.scm
index 5379eae..4a293f5 100644
--- a/languages/dart/highlights.scm
+++ b/languages/dart/highlights.scm
@@ -290,6 +290,7 @@
   "else"
   "switch"
   "default"
+  "case"
 ] @keyword.conditional
 
 [