diff --git a/queries/highlights.scm b/queries/highlights.scm
index 23623a62..be1241af 100644
--- a/queries/highlights.scm
+++ b/queries/highlights.scm
@@ -123,12 +123,17 @@
   "++"
   "+="
   "<"
+  "<="
   "<<"
   "="
   "=="
   "==="
+  "!"
+  "!="
+  "!=="
   "=>"
   ">"
+  ">="
   ">>"
   "||"
 ] @operator