diff --git a/pkgs/development/python-modules/heatzypy/default.nix b/pkgs/development/python-modules/heatzypy/default.nix
index ec1fa4d54017..3762e35ceb6d 100644
--- a/pkgs/development/python-modules/heatzypy/default.nix
+++ b/pkgs/development/python-modules/heatzypy/default.nix
@@ -10,7 +10,7 @@
 
 buildPythonPackage rec {
   pname = "heatzypy";
-  version = "2.5.7";
+  version = "2.5.9";
   pyproject = true;
 
   disabled = pythonOlder "3.11";
@@ -19,7 +19,7 @@ buildPythonPackage rec {
     owner = "Cyr-ius";
     repo = "heatzypy";
     tag = version;
-    hash = "sha256-MPieUg5p8j1OTWDwV/IY3dKz8bKcPrRy9tK2iKleEoM=";
+    hash = "sha256-6vdzxQGNQSMCFYA/nQ2T72RUWmBRvb9v0YcxVbjtG94=";
   };
 
   build-system = [