diff --git a/queries/php_only/highlights.scm b/queries/php_only/highlights.scm
index cbc7e1839..7887a9778 100644
--- a/queries/php_only/highlights.scm
+++ b/queries/php_only/highlights.scm
@@ -346,6 +346,7 @@
   ">="
   ">"
   "<>"
+  "<=>"
   "=="
   "!="
   "==="