diff --git a/demo/inventory/1-cesnet.yaml b/demo/inventory/1-cesnet.yaml
index 9ffc5013cdb949c0318455ca4738d1479066c619..77061011640cf8f2f11286177140dff2d187fafe 100644
--- a/demo/inventory/1-cesnet.yaml
+++ b/demo/inventory/1-cesnet.yaml
@@ -21,6 +21,10 @@ worker:
   hosts:
     2001:718:801:432:f816:3eff:fe82:628a:
 
+gpu:
+  hosts:
+    2001:718:801:432:f816:3eff:fe4e:c5ab:
+
 # using public IP of kube_server for ansible delegate_to
 kube_server:
   hosts: