diff --git a/debian/local/sshd_config.d/modern-ssh.conf b/debian/local/sshd_config.d/modern-ssh.conf
index 52fa8a0..8e5d821 100644
--- a/debian/local/sshd_config.d/modern-ssh.conf
+++ b/debian/local/sshd_config.d/modern-ssh.conf
@@ -1,3 +1,4 @@
 # /etc/ssh/sshd_config.d/modern-ssh.conf
 
 CASignatureAlgorithms sk-ssh-ed25519@openssh.com,ssh-ed25519
+Ciphers chacha20-poly1305@openssh.com