diff --git a/README.md b/README.md
index 0584b2c..5ffb5df 100644
--- a/README.md
+++ b/README.md
@@ -72,6 +72,7 @@ $ snap install ssh-audit
 ### v2.2.1-dev (???)
  - Added 1 new host key types: `ssh-rsa1`.
  - Added 1 new ciphers: `blowfish`.
+ - Added 1 new MACs: `chacha20-poly1305@openssh.com`
  
 ### v2.2.0 (2020-03-11)
  - Marked host key type `ssh-rsa` as weak due to [practical SHA-1 collisions](https://eprint.iacr.org/2020/014.pdf).
diff --git a/ssh-audit.py b/ssh-audit.py
index 3284213..e4bc63a 100755
--- a/ssh-audit.py
+++ b/ssh-audit.py
@@ -518,6 +518,7 @@ class SSH2(object):  # pylint: disable=too-few-public-methods
 				'umac-128-etm@openssh.com': [['6.2']],
 				'aes128-gcm': [[]],
 				'aes256-gcm': [[]],
+				'chacha20-poly1305@openssh.com': [[]], # Despite the @openssh.com tag, this was never shipped as a MAC in OpenSSH (only as a cipher); it is only implemented as a MAC in Syncplify.
 			}
 		}  # type: Dict[str, Dict[str, List[List[Optional[str]]]]]