diff --git a/repos.json.lock b/repos.json.lock
index 291929f6a..28744b38d 100644
--- a/repos.json.lock
+++ b/repos.json.lock
@@ -46,8 +46,8 @@
             "url": "https://github.com/angr/nixpkgs"
         },
         "arc": {
-            "rev": "5bf9fb9e07b6dfefd0134c57db667c7c75ed0119",
-            "sha256": "0pvz1swflmyyyzx5yzfflr1llsfw38pax03vac83pc8y0r78f84h",
+            "rev": "eb96cd4f45385afdde9aa3c6e92c6408d4295369",
+            "sha256": "1mqh8r4nxfxiff0xajk4bj52hxa98dci2aq651bk667yxyj8aizj",
             "url": "https://github.com/arcnmx/nixexprs"
         },
         "artturin": {