diff --git a/authorized_keys/gkoper b/authorized_keys/gkoper
index 457d136..545be70 100644
--- a/authorized_keys/gkoper
+++ b/authorized_keys/gkoper
@@ -1 +1,2 @@
-ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIC/F0fT8MuXUBEDeCbi9XoaefpZuWf35NOHHECN8VyIq gkoper@Grzegorzs-MacBook-Air.local
+sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIFTh7WHn7X42X4pW7Fv59u5gtSCjLyBD7J/A7yb10gUKAAAABHNzaDo= gkoper StackHPC key - 2024-08-13
+sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIGLddMtCEYsBkCba6D+MFSZQK94qo9s0imNfU/lwqsc6AAAABHNzaDo= gkoper StackHPC key2 - 2025-03-28