diff --git a/repos.json.lock b/repos.json.lock
index ecf98fcb1..a1cc2408d 100644
--- a/repos.json.lock
+++ b/repos.json.lock
@@ -91,8 +91,8 @@
             "url": "https://github.com/anthonyroussel/nur-packages"
         },
         "arc": {
-            "rev": "f0f8f76dc306ebbe7ac45008f36607243148969c",
-            "sha256": "1h5sq4v5f6h69rvcwpi41vkvya7wkp3j3gada171d5s5j0k7ck47",
+            "rev": "d9842d1764153c7406031a20ed010d6f04a12b52",
+            "sha256": "0vdb1ql24vh3rrs0ym852x77zyx0gysx900629i34cdrxhmnick4",
             "url": "https://github.com/arcnmx/nixexprs"
         },
         "artturin": {