diff --git a/pkgs/development/python-modules/configargparse/default.nix b/pkgs/development/python-modules/configargparse/default.nix
index 7c1594e9e805..4479d1f24855 100644
--- a/pkgs/development/python-modules/configargparse/default.nix
+++ b/pkgs/development/python-modules/configargparse/default.nix
@@ -3,12 +3,15 @@
 , fetchFromGitHub
 , mock
 , pytestCheckHook
+, pyyaml
 }:
 
 buildPythonPackage rec {
   pname = "configargparse";
   version = "1.5.3";
 
+  format = "setuptools";
+
   src = fetchFromGitHub {
     owner = "bw2";
     repo = "ConfigArgParse";
@@ -19,6 +22,7 @@ buildPythonPackage rec {
   checkInputs = [
     mock
     pytestCheckHook
+    pyyaml
   ];
 
   pythonImportsCheck = [ "configargparse" ];