diff --git a/repos.json.lock b/repos.json.lock
index 1cf57b6e1..f658db9af 100644
--- a/repos.json.lock
+++ b/repos.json.lock
@@ -36,8 +36,8 @@
             "url": "https://github.com/angr/nixpkgs"
         },
         "arc": {
-            "rev": "0d04e36a3d85e0ea9c9bc36a4425a3b67c6557df",
-            "sha256": "0wvwxfs8ah5j83nf57dj9j7zxdjr312q7fynn6b9z56k33l0jm37",
+            "rev": "23180a0edb41eab3405354c12339df9960c26d5a",
+            "sha256": "1mm7492l52j77ksayy8kqhy32dcs6h6md9fmzrgc3ijv7zcv5rl9",
             "url": "https://github.com/arcnmx/nixexprs"
         },
         "awl-fcarza": {