diff --git a/runtime/queries/rust/highlights.scm b/runtime/queries/rust/highlights.scm
index 2981075f..b3a0f4d7 100644
--- a/runtime/queries/rust/highlights.scm
+++ b/runtime/queries/rust/highlights.scm
@@ -113,6 +113,7 @@
   "."
   ";"
   ","
+  ":"
 ] @punctuation.delimiter
 
 [