diff --git a/repos.json.lock b/repos.json.lock
index ff65cda10..2ef833e6b 100644
--- a/repos.json.lock
+++ b/repos.json.lock
@@ -621,8 +621,8 @@
             "url": "https://github.com/Ptival/nur-packages"
         },
         "qchem": {
-            "rev": "aa5188c07945c1d4aa8a289342d8656568182fa3",
-            "sha256": "1nsh8kimmkz9jrd6pk5dnbrap03s5rrhdxpmcbmjkfm4iwah5bq8",
+            "rev": "51ec70e9cd96be50b827d6afb94257380a518115",
+            "sha256": "0mikndl0vlm21vnrcx3rf7l0cmkhfi7iiiv2478xf0mfia2a1d7x",
             "url": "https://github.com/markuskowa/NixOS-QChem"
         },
         "reedrw": {