diff --git a/lockfile.json b/lockfile.json
index 2e5326804..1f243aede 100644
--- a/lockfile.json
+++ b/lockfile.json
@@ -318,7 +318,7 @@
     "revision": "0c088d1ad270f02c4e84189247ac7001e86fe342"
   },
   "kconfig": {
-    "revision": "7230f0618348d9289a24ee8cf90c9ab90acd76b1"
+    "revision": "5fefd45628a32fc999aa9f4aebcc5ddcd071bcf2"
   },
   "kdl": {
     "revision": "e180e05132c4cb229a8ba679b298790ef1eca77c"
diff --git a/queries/kconfig/highlights.scm b/queries/kconfig/highlights.scm
index 1cea0832c..bad7a26eb 100644
--- a/queries/kconfig/highlights.scm
+++ b/queries/kconfig/highlights.scm
@@ -41,6 +41,7 @@
   "<="
   ">="
   "!"
+  ":="
 ] @operator
 
 [
@@ -56,6 +57,8 @@
   ")"
 ] @punctuation.bracket
 
+"," @punctuation.delimiter
+
 (macro_variable
   [
     "$("