diff --git a/queries/python/highlights.scm b/queries/python/highlights.scm
index 739ab81cf..e238a9a8e 100644
--- a/queries/python/highlights.scm
+++ b/queries/python/highlights.scm
@@ -93,6 +93,7 @@
 [
   "-"
   "-="
+  ":="
   "!="
   "*"
   "**"