diff --git a/pkgs/development/python-modules/openstep-plist/default.nix b/pkgs/development/python-modules/openstep-plist/default.nix
index 28680e26b091..775467ef30a6 100644
--- a/pkgs/development/python-modules/openstep-plist/default.nix
+++ b/pkgs/development/python-modules/openstep-plist/default.nix
@@ -10,13 +10,13 @@
 
 buildPythonPackage rec {
   pname = "openstep-plist";
-  version = "0.3.1";
+  version = "0.4.0";
   pyproject = true;
 
   src = fetchPypi {
     pname = "openstep_plist";
     inherit version;
-    hash = "sha256-Au6taO+57Ost4slTlwc86A/ImFXZerZRab2S/ENo5PI=";
+    hash = "sha256-RTpWzfU0xvQtJJNNLtf5W8d8PRqKy8GIGkqgYafWAaI=";
   };
 
   build-system = [