diff --git a/hosts/luna/modules/services/openssh.nix b/hosts/luna/modules/services/openssh.nix
index 93424d7..212114d 100644
--- a/hosts/luna/modules/services/openssh.nix
+++ b/hosts/luna/modules/services/openssh.nix
@@ -5,6 +5,13 @@
     settings = {
       PasswordAuthentication = false;
       PermitRootLogin = "prohibit-password";
+      KexAlgorithms = [
+        "curve25519-sha256"
+        "curve25519-sha256@libssh.org"
+        "diffie-hellman-group16-sha512"
+        "diffie-hellman-group18-sha512"
+        "sntrup761x25519-sha512@openssh.com"
+      ];
     };
     ports = [
       2200