diff --git a/roles/common/templates/sshd_config_Ubuntu-20.04.j2 b/roles/common/templates/sshd_config_Ubuntu-20.04.j2
index b45f37f..88aabb4 100644
--- a/roles/common/templates/sshd_config_Ubuntu-20.04.j2
+++ b/roles/common/templates/sshd_config_Ubuntu-20.04.j2
@@ -129,7 +129,7 @@ PasswordAuthentication yes
 # does away with these! See: https://www.nsa.gov/ia/programs/suiteb_cryptography/index.shtml
 Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes256-ctr
 MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com
-KexAlgorithms curve25519-sha256@libssh.org,diffie-hellman-group-exchange-sha256
+KexAlgorithms curve25519-sha256,curve25519-sha256@libssh.org,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256
 
 {% if ssh_allowed_users is defined and ssh_allowed_users %}
 # Is there a list of allowed users?