diff --git a/repos.json.lock b/repos.json.lock
index ebb2ad7d4..c7165ea37 100644
--- a/repos.json.lock
+++ b/repos.json.lock
@@ -176,8 +176,8 @@
             "url": "https://github.com/CutestNekoAqua/nur-repo"
         },
         "arc": {
-            "rev": "ec082eb1f7ed38456f0cbedc5a80b62e8469b2ce",
-            "sha256": "1kd0v1viisjcldw8nrvly48q2al6y2c14vln0xdwr09qaxzr7mc7",
+            "rev": "4cb0e405dd8e433a2fe869ab7e5cea5b5c88da52",
+            "sha256": "0pl92fk9apnc1g1w5i1s53csghbzysh9vw8js10f2g6q6gmh2jww",
             "url": "https://github.com/arcnmx/nixexprs"
         },
         "armaria": {