diff --git a/repos.json.lock b/repos.json.lock
index 470e4d26a..a39291676 100644
--- a/repos.json.lock
+++ b/repos.json.lock
@@ -101,8 +101,8 @@
             "url": "https://github.com/anthonyroussel/nur-packages"
         },
         "arc": {
-            "rev": "04e9f299a608640a61187dff05be720024c3cfa2",
-            "sha256": "17hkdfhhy2n1yrcdj5aym3qwg0kg5ral7394rr0arz3ccgx270mb",
+            "rev": "4899d9c123fc2c6570ce755344e08bf007a35ce8",
+            "sha256": "0lbzg3d6v9i5sfwz71labk2pb9ck75sb3iwi41zaz0ln1ps3x1px",
             "url": "https://github.com/arcnmx/nixexprs"
         },
         "arteneko": {