diff --git a/pkgs/development/python-modules/python-keystoneclient/default.nix b/pkgs/development/python-modules/python-keystoneclient/default.nix
index 07a0abed4da..470e0734dda 100644
--- a/pkgs/development/python-modules/python-keystoneclient/default.nix
+++ b/pkgs/development/python-modules/python-keystoneclient/default.nix
@@ -6,6 +6,7 @@
 , oslo-config
 , oslo-serialization
 , pbr
+, pythonOlder
 , requests-mock
 , stestr
 , testresources
@@ -15,10 +16,13 @@
 buildPythonPackage rec {
   pname = "python-keystoneclient";
   version = "4.5.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.8";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-bX8FxpLn2yaSd4KEx3mubOqLIVmRS0QXpfoL/qHinNw=";
+    hash = "sha256-bX8FxpLn2yaSd4KEx3mubOqLIVmRS0QXpfoL/qHinNw=";
   };
 
   propagatedBuildInputs = [
@@ -40,7 +44,9 @@ buildPythonPackage rec {
     stestr run
   '';
 
-  pythonImportsCheck = [ "keystoneclient" ];
+  pythonImportsCheck = [
+    "keystoneclient"
+  ];
 
   meta = with lib; {
     description = "Client Library for OpenStack Identity";