diff --git a/modules/nixos/programs/forgejo/forgejo.nix b/modules/nixos/programs/forgejo/forgejo.nix
index 9d8914a..4df02bd 100644
--- a/modules/nixos/programs/forgejo/forgejo.nix
+++ b/modules/nixos/programs/forgejo/forgejo.nix
@@ -31,6 +31,7 @@
             SSH_PORT = 22;
             BUILTIN_SSH_SERVER_USER = "git";
             ROOT_URL = "https://git.jan-leila.com";
+            SSH_SERVER_KEY_EXCHANGES = "mlkem768x25519-sha256,curve25519-sha256,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group14-sha256";
           };
           service = {
             DISABLE_REGISTRATION = true;