diff --git a/repos.json.lock b/repos.json.lock
index 4a7c7d7ce..5c56c6109 100644
--- a/repos.json.lock
+++ b/repos.json.lock
@@ -26,8 +26,8 @@
             "url": "https://github.com/angr/nixpkgs"
         },
         "arc": {
-            "rev": "6d84f2e24c65a8d7b1aafd6968b30e0076150921",
-            "sha256": "1kapf4ixbknhax2vlqgvim5p59c7jiymwr2vf0vg7gkfiqjx4575",
+            "rev": "e0e69994298e57b60f0c478cca6e0068e2df79f6",
+            "sha256": "01zy9v48d6vjdbgjwh2h47szx93m6x5q3w6gksvgxga1gbxnb8yi",
             "url": "https://github.com/arcnmx/nixexprs"
         },
         "awl-fcarza": {