diff --git a/data/mntner/COELACANTHUS-MNT b/data/mntner/COELACANTHUS-MNT
index a4c6ac3cd..cc63b342f 100644
--- a/data/mntner/COELACANTHUS-MNT
+++ b/data/mntner/COELACANTHUS-MNT
@@ -4,4 +4,5 @@ tech-c:             COELACANTHUS-DN42
 mnt-by:             COELACANTHUS-MNT
 source:             DN42
 auth:               pgp-fingerprint 892EBC7DC392DFF9C9C03F1D15F4180E73787863
-auth:               ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPk6qq2+Gkmb4GPqyxrY/LwfENX1WsN68+Veh+reaPk9
+auth:               sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIArXuhDC/SkSyrRnuUbqAM6Uv+Xj+7RzGr7orF4IszrUAAAABHNzaDo=
+auth:               sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAICTwp+jJX4azMqDVcmAKXSWS4+0SWHA5vFQIIETe3PuGAAAABHNzaDo=