diff --git a/pkgs/development/python-modules/pystiebeleltron/default.nix b/pkgs/development/python-modules/pystiebeleltron/default.nix
index de0c3d509770..d7dfce119552 100644
--- a/pkgs/development/python-modules/pystiebeleltron/default.nix
+++ b/pkgs/development/python-modules/pystiebeleltron/default.nix
@@ -11,14 +11,14 @@
 
 buildPythonPackage rec {
   pname = "pystiebeleltron";
-  version = "0.2.5";
+  version = "0.3.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "ThyMYthOS";
     repo = "python-stiebel-eltron";
     tag = "v${version}";
-    hash = "sha256-irZmtsGcbmr5+aniBofDg0fhkP646h3mpRyTdWndOyY=";
+    hash = "sha256-lzOZQnBoERoXke61raMMZiy/ThIrycNinsIZiL3jNHE=";
   };
 
   build-system = [ hatchling ];