diff --git a/pkgs/development/python-modules/python-magnumclient/default.nix b/pkgs/development/python-modules/python-magnumclient/default.nix
index a20e7f524343..4e8ebe83e953 100644
--- a/pkgs/development/python-modules/python-magnumclient/default.nix
+++ b/pkgs/development/python-modules/python-magnumclient/default.nix
@@ -6,8 +6,8 @@
   fetchFromGitHub,
   fixtures,
   keystoneauth1,
+  openstacksdk,
   openstackdocstheme,
-  os-client-config,
   osc-lib,
   oslo-i18n,
   oslo-log,
@@ -18,7 +18,6 @@
   pbr,
   prettytable,
   python-openstackclient,
-  pythonOlder,
   requests-mock,
   requests,
   setuptools,
@@ -30,16 +29,14 @@
 
 buildPythonPackage rec {
   pname = "python-magnumclient";
-  version = "4.8.1";
+  version = "4.9.0";
   pyproject = true;
 
-  disabled = pythonOlder "3.8";
-
   src = fetchFromGitHub {
     owner = "openstack";
     repo = "python-magnumclient";
     tag = version;
-    hash = "sha256-rXLJnvGc5VHkHghCoBLRhARwl3hhS/oI2VOsGWfESkM=";
+    hash = "sha256-Ok211QgvsKqkotXrC4HwMyonLv7LzuCjs2hjruGDEvY=";
   };
 
   env.PBR_VERSION = version;
@@ -60,7 +57,7 @@ buildPythonPackage rec {
     cryptography
     decorator
     keystoneauth1
-    os-client-config
+    openstacksdk
     osc-lib
     oslo-i18n
     oslo-log