diff --git a/queries/rust/highlights.scm b/queries/rust/highlights.scm
index 5c5adf010..742ad46be 100644
--- a/queries/rust/highlights.scm
+++ b/queries/rust/highlights.scm
@@ -239,6 +239,7 @@
 "@"
 ".."
 "..="
+"?"
 ] @operator
 
 (closure_parameters "|" @operator "|" @operator)