diff --git a/pkgs/development/python-modules/pyenphase/default.nix b/pkgs/development/python-modules/pyenphase/default.nix
index 84fab1d3fcd0..549d0b8e8263 100644
--- a/pkgs/development/python-modules/pyenphase/default.nix
+++ b/pkgs/development/python-modules/pyenphase/default.nix
@@ -32,14 +32,14 @@ buildPythonPackage rec {
 
   postPatch = ''
     substituteInPlace pyproject.toml \
-      --replace " --cov=pyenphase --cov-report=term-missing:skip-covered" ""
+      --replace-fail " --cov=pyenphase --cov-report=term-missing:skip-covered" ""
   '';
 
-  nativeBuildInputs = [
+  build-system = [
     poetry-core
   ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     awesomeversion
     envoy-utils
     httpx