diff --git a/repos.json.lock b/repos.json.lock
index afb2b4952..6cbb14414 100644
--- a/repos.json.lock
+++ b/repos.json.lock
@@ -201,8 +201,8 @@
             "url": "https://github.com/CutestNekoAqua/nur-repo"
         },
         "arc": {
-            "rev": "d590cfa39117a4ae716efc5acb6207e95faa06b7",
-            "sha256": "02kp623lxcczq1yb7jpswvvk25bhws70k9wpv8zjza5b6nrwqpbb",
+            "rev": "173db571f22e89885545fa88119827c3b1bccd50",
+            "sha256": "0zg38wk6yzvlyxwniskvpgym92183p3va3k7k531g9hm0v79fzvr",
             "url": "https://github.com/arcnmx/nixexprs"
         },
         "armaria": {