diff --git a/pkgs/development/python-modules/lacuscore/default.nix b/pkgs/development/python-modules/lacuscore/default.nix
index fa7949eff097..7bf59e72eb8a 100644
--- a/pkgs/development/python-modules/lacuscore/default.nix
+++ b/pkgs/development/python-modules/lacuscore/default.nix
@@ -16,7 +16,7 @@
 
 buildPythonPackage rec {
   pname = "lacuscore";
-  version = "1.8.10";
+  version = "1.9.1";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -25,7 +25,7 @@ buildPythonPackage rec {
     owner = "ail-project";
     repo = "LacusCore";
     rev = "refs/tags/v${version}";
-    hash = "sha256-X3Bs/eMkpobRqiGB70ujvaIO1xWftEBZFyR9i5eN7/A=";
+    hash = "sha256-DUgMql/KCy8g63HvA7qbrv9qia+nchPLIkufWmUXKDg=";
   };
 
   pythonRelaxDeps = [