diff --git a/pkgs/development/python-modules/oemthermostat/default.nix b/pkgs/development/python-modules/oemthermostat/default.nix
index f40e39f10bf6..8f0e6a6a6370 100644
--- a/pkgs/development/python-modules/oemthermostat/default.nix
+++ b/pkgs/development/python-modules/oemthermostat/default.nix
@@ -10,22 +10,22 @@
 buildPythonPackage rec {
   pname = "oemthermostat";
   version = "1.1.1";
-  format = "setuptools";
+  pyproject = true;
 
   disabled = pythonOlder "3.8";
 
   src = fetchFromGitHub {
     owner = "Cadair";
     repo = "openenergymonitor_thermostat";
-    rev = "v${version}";
-    sha256 = "vrMw3/X8MtejO1WyUA1DOlfVCPTCPgcK5p3+OlTWcM4=";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-vrMw3/X8MtejO1WyUA1DOlfVCPTCPgcK5p3+OlTWcM4=";
   };
 
-  nativeBuildInputs = [
+  build-system = [
     setuptools-scm
   ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     requests
   ];
 
@@ -40,6 +40,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Python module to interact with OpenEnergyMonitor thermostats";
     homepage = "https://github.com/Cadair/openenergymonitor_thermostat";
+    changelog = "https://github.com/Cadair/openenergymonitor_thermostat/blob/v${version}/CHANGELOG.rst";
     license = licenses.bsd3;
     maintainers = with maintainers; [ fab ];
   };