diff --git a/lib/ansible/modules/cloud/openstack/os_server_action.py b/lib/ansible/modules/cloud/openstack/os_server_action.py
index 378e659e8f5..64ec3b3c4de 100644
--- a/lib/ansible/modules/cloud/openstack/os_server_action.py
+++ b/lib/ansible/modules/cloud/openstack/os_server_action.py
@@ -58,6 +58,7 @@ options:
      required: false
 requirements:
     - "python >= 2.6"
+    - "python-novaclient"
     - "shade"
 '''