diff --git a/pkgs/development/python-modules/lacuscore/default.nix b/pkgs/development/python-modules/lacuscore/default.nix
index 1cd4707a421d..46fd51edf6ab 100644
--- a/pkgs/development/python-modules/lacuscore/default.nix
+++ b/pkgs/development/python-modules/lacuscore/default.nix
@@ -17,7 +17,7 @@
 
 buildPythonPackage rec {
   pname = "lacuscore";
-  version = "1.12.3";
+  version = "1.12.5";
   pyproject = true;
 
   disabled = pythonOlder "3.9";
@@ -26,7 +26,7 @@ buildPythonPackage rec {
     owner = "ail-project";
     repo = "LacusCore";
     rev = "refs/tags/v${version}";
-    hash = "sha256-cKAHNOZZtIdys0z36F0ORf6xXL/JkAgwZouvYYu/OTU=";
+    hash = "sha256-iozCgQ7VULQVlKaHmThxiFDZ2hly2yYMdIrXBFHFRfI=";
   };
 
   pythonRelaxDeps = [