1 files changed, 2 insertions, 4 deletions
diff --git a/pkgs/development/python-modules/model-checker/default.nix b/pkgs/development/python-modules/model-checker/default.nix
index a525adad59471..f06f4ed471a64 100644
--- a/pkgs/development/python-modules/model-checker/default.nix
+++ b/pkgs/development/python-modules/model-checker/default.nix
@@ -5,12 +5,11 @@
   setuptools,
   pythonOlder,
   z3-solver,
-  pythonRelaxDepsHook,
 }:
 
 buildPythonPackage rec {
   pname = "model-checker";
-  version = "0.4.9";
+  version = "0.4.12";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -18,7 +17,7 @@ buildPythonPackage rec {
   src = fetchPypi {
     pname = "model_checker";
     inherit version;
-    hash = "sha256-BUkbCllM2qN5yKTvte2iwnmBXQAzu2N8LTGRfvOTKUQ=";
+    hash = "sha256-bgVtOpWx5jytVxSz/WKLqLm+hVKbwIy+Fy5nEj/Nwt4=";
   };
 
   # z3 does not provide a dist-info, so python-runtime-deps-check will fail
@@ -26,7 +25,6 @@ buildPythonPackage rec {
 
   build-system = [ setuptools ];
 
-  nativeBuildInputs = [ pythonRelaxDepsHook ];
 
   dependencies = [ z3-solver ];