diff --git a/lockfile.json b/lockfile.json
index e5db6316f..8cd446b5c 100644
--- a/lockfile.json
+++ b/lockfile.json
@@ -30,7 +30,7 @@
     "revision": "7175a6dd5fc1cee660dce6fe23f6043d75af424a"
   },
   "c_sharp": {
-    "revision": "3b661ced8d510aa424e2f68314520c281dd8c113"
+    "revision": "98a28791018cc2587020a36b2d0cf28ccb29903f"
   },
   "clojure": {
     "revision": "50468d3dc38884caa682800343d9a1d0fda46c9b"
diff --git a/queries/c_sharp/highlights.scm b/queries/c_sharp/highlights.scm
index 878ac75b9..ddb08eca4 100644
--- a/queries/c_sharp/highlights.scm
+++ b/queries/c_sharp/highlights.scm
@@ -318,7 +318,6 @@
  "with"
  "new"
  "typeof"
- "nameof"
  "sizeof"
  "is"
  "and"