diff --git a/pkgs/development/python-modules/fastapi-sso/default.nix b/pkgs/development/python-modules/fastapi-sso/default.nix
index ac02d25151f8..e2e61ecd1781 100644
--- a/pkgs/development/python-modules/fastapi-sso/default.nix
+++ b/pkgs/development/python-modules/fastapi-sso/default.nix
@@ -32,11 +32,11 @@ buildPythonPackage rec {
     sed -i "/--cov/d" pyproject.toml
   '';
 
-  nativeBuildInputs = [
+  build-system = [
     poetry-core
   ];
 
-  propagatedBuildInputs = [
+  dependencies = [
     fastapi
     httpx
     oauthlib