diff --git a/repos.json.lock b/repos.json.lock
index d2b163a1c..893fcd798 100644
--- a/repos.json.lock
+++ b/repos.json.lock
@@ -186,8 +186,8 @@
             "url": "https://github.com/CutestNekoAqua/nur-repo"
         },
         "arc": {
-            "rev": "e3a546552c8a5a512caa321933e0af3f36da94c1",
-            "sha256": "1w66bbldma1rlavkxczn5ika74cz2kdqlfh8kgkjx92k54klzzhw",
+            "rev": "3b861e91acd3ea56d3eb26bf17f1d3e3acb5b304",
+            "sha256": "192yick9w07mqsw3gqcqiwc7mxcga7qv7yzk7m6ijb8l2d4v5j0n",
             "url": "https://github.com/arcnmx/nixexprs"
         },
         "armaria": {