diff --git a/pkgs/development/python-modules/python-homewizard-energy/default.nix b/pkgs/development/python-modules/python-homewizard-energy/default.nix
index ca6c2770db46..7ecd509f9b5d 100644
--- a/pkgs/development/python-modules/python-homewizard-energy/default.nix
+++ b/pkgs/development/python-modules/python-homewizard-energy/default.nix
@@ -13,8 +13,8 @@
 
 buildPythonPackage rec {
   pname = "python-homewizard-energy";
-  version = "4.1.1";
-  format = "pyproject";
+  version = "4.2.2";
+  pyproject = true;
 
   disabled = pythonOlder "3.9";
 
@@ -22,12 +22,12 @@ buildPythonPackage rec {
     owner = "DCSBL";
     repo = "python-homewizard-energy";
     rev = "refs/tags/v${version}";
-    hash = "sha256-p7uwodjC+wTGrlKf4i4ZRTPg9Qh9krsmwPpWNdF6J4U=";
+    hash = "sha256-CNSZBH+D74Y71k7Ws0OlgN1/i/lWXlkz6MC3IXL5ycQ=";
   };
 
   postPatch = ''
     substituteInPlace pyproject.toml \
-      --replace 'version = "0.0.0"' 'version = "${version}"'
+      --replace-fail 'version = "0.0.0"' 'version = "${version}"'
   '';
 
   nativeBuildInputs = [