diff --git a/README.md b/README.md
index 0a28136..eecfe0b 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ usage: ssh-audit.py [-1246pbnvlt] <host>
 
 ## ChangeLog
 ### v2.1.0 (???)
- - ???
+ - Added 1 new key exchange: `diffie-hellman-group15-sha256`.
 
 ### v2.0.0 (2019-08-29)
  - Forked from https://github.com/arthepsy/ssh-audit (development was stalled, and developer went MIA).
diff --git a/ssh-audit.py b/ssh-audit.py
index c4cc04d..8fa3955 100755
--- a/ssh-audit.py
+++ b/ssh-audit.py
@@ -320,6 +320,7 @@ class SSH2(object):  # pylint: disable=too-few-public-methods
 				'diffie-hellman-group1-sha1': [['2.3.0,d0.28,l10.2', '6.6', '6.9'], [FAIL_OPENSSH67_UNSAFE, FAIL_OPENSSH70_LOGJAM], [WARN_MODULUS_SIZE, WARN_HASH_WEAK]],
 				'diffie-hellman-group14-sha1': [['3.9,d0.53,l10.6.0'], [], [WARN_HASH_WEAK]],
 				'diffie-hellman-group14-sha256': [['7.3,d2016.73']],
+				'diffie-hellman-group15-sha256': [[]],
 				'diffie-hellman-group15-sha512': [[]],
 				'diffie-hellman-group16-sha256': [[]],
 				'diffie-hellman-group16-sha512': [['7.3,d2016.73']],