diff --git a/repos.json.lock b/repos.json.lock
index 505bcad09..6ee630f77 100644
--- a/repos.json.lock
+++ b/repos.json.lock
@@ -91,8 +91,8 @@
             "url": "https://github.com/anthonyroussel/nur-packages"
         },
         "arc": {
-            "rev": "ac0b69c86f7624cb5bf7bd84a716f5fe2d0f0f21",
-            "sha256": "17yb40va1297539qkw2g8ifkr3ci0l7k01vihh982y9q6vkgzxbb",
+            "rev": "9178e171380cf63d4a3c2388a92253af63c7f138",
+            "sha256": "1b3nyhqhadsg225qb926p18nqfdz3swk80yazawdj6dgv78m3b9r",
             "url": "https://github.com/arcnmx/nixexprs"
         },
         "artturin": {