diff --git a/modules/nixos/services/openssh/default.nix b/modules/nixos/services/openssh/default.nix
index a24040a..54c9c6c 100644
--- a/modules/nixos/services/openssh/default.nix
+++ b/modules/nixos/services/openssh/default.nix
@@ -67,6 +67,7 @@ in
           "hmac-sha2-512-etm@openssh.com"
           "hmac-sha2-256-etm@openssh.com"
           "umac-128-etm@openssh.com"
+          "hmac-sha2-512"
         ];
       };