diff --git a/repos.json.lock b/repos.json.lock
index 2cf9de394..a7de8bad1 100644
--- a/repos.json.lock
+++ b/repos.json.lock
@@ -91,8 +91,8 @@
             "url": "https://github.com/anthonyroussel/nur-packages"
         },
         "arc": {
-            "rev": "c819ccfb2db71a359394597d4748929ad786b30d",
-            "sha256": "1jc2a8ncd393i61p5vyrnrka8avp9cx7zbczbyz520kqq0dqwm4n",
+            "rev": "d906dec4a2309e56404d8807270120e0581423fa",
+            "sha256": "1x2zpi8asx09g87sm5ccmn778a3i4dpm66hlzxa0rzxsg9ry05hj",
             "url": "https://github.com/arcnmx/nixexprs"
         },
         "arteneko": {