diff --git a/common-test/overlay/etc/hiera/data/group.yaml b/common-test/overlay/etc/hiera/data/group.yaml
index 02d6a31..27d649b 100644
--- a/common-test/overlay/etc/hiera/data/group.yaml
+++ b/common-test/overlay/etc/hiera/data/group.yaml
@@ -25,7 +25,13 @@ acmed_agent_ssh_keys_db:
       type : 'ssh-ed25519'
       name : 'internal-dco-test-radius-2'
       options : 'command="/usr/bin/rrsync /etc/letsencrypt/",no-agent-forwarding,no-port-forwarding,no-pty,no-user-rc,no-X11-forwarding'
+   'internal-sto3-test-radius-3':
+      key  : 'AAAAC3NzaC1lZDI1NTE5AAAAILBqjar5B35x+nqm7EmkuZF64nR+DxEh7R/t/wwuQ6m7'
+      type : 'ssh-ed25519'
+      name : 'internal-sto3-test-radius-3'
+      options : 'command="/usr/bin/rrsync /etc/letsencrypt/",no-agent-forwarding,no-port-forwarding,no-pty,no-user-rc,no-X11-forwarding'
 
 acmed_agent_ssh_keys_mapping:
   'root':
     - 'internal-dco-test-radius-2'
+    - 'internal-sto3-test-radius-3'