diff --git a/repos.json.lock b/repos.json.lock
index 2b222c817..6e8a8a667 100644
--- a/repos.json.lock
+++ b/repos.json.lock
@@ -111,8 +111,8 @@
             "url": "https://github.com/anthonyroussel/nur-packages"
         },
         "arc": {
-            "rev": "37cc30890dbfa17484a25458ffb976e2db592d64",
-            "sha256": "02s3517939drwvg4h5sh6dlqln29fqn0ldzmn5hwkdhc74vaxsik",
+            "rev": "670f6ade5d1486e17f28f5298faf763b87a5ef6f",
+            "sha256": "0gdl2nvr5fw5irbwxhsx853b8xlgwkysq4wmhvxq61b1nmx4pir9",
             "url": "https://github.com/arcnmx/nixexprs"
         },
         "arteneko": {