diff --git a/pkgs/development/python-modules/pysma/default.nix b/pkgs/development/python-modules/pysma/default.nix
index efad8aaca948..5ec0aa44995e 100644
--- a/pkgs/development/python-modules/pysma/default.nix
+++ b/pkgs/development/python-modules/pysma/default.nix
@@ -9,14 +9,14 @@
 
 buildPythonPackage rec {
   pname = "pysma";
-  version = "0.6.11";
+  version = "0.6.12";
   format = "setuptools";
 
   disabled = pythonOlder "3.8";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-x0sFJAdueSny0XoaOYbYLN8ZRS5B/iEVT62mqd4Voe4=";
+    sha256 = "sha256-uxMxqx5qbahMvTm3akiOTODhKLNVhHzBAUsOcZo/35I=";
   };
 
   propagatedBuildInputs = [