diff --git a/lib/puppet/parser/functions/get_ssh_macs.rb b/lib/puppet/parser/functions/get_ssh_macs.rb
index 554d74f..de5b3f6 100644
--- a/lib/puppet/parser/functions/get_ssh_macs.rb
+++ b/lib/puppet/parser/functions/get_ssh_macs.rb
@@ -27,6 +27,9 @@
   macs_59 = {}
   macs_59.default = 'hmac-sha2-512,hmac-sha2-256,hmac-ripemd160'
   macs_59['weak'] = macs_59['default'] + ',hmac-sha1'
+  
+  macs_60 = {}
+  macs_60.default = 'hmac-sha2-512,hmac-sha2-256'
 
   macs_66 = {}
   macs_66.default = 'hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-ripemd160-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,hmac-ripemd160'
@@ -43,6 +46,8 @@
   m['ubuntu'] = {}
   m['ubuntu']['12'] = macs_59
   m['ubuntu']['14'] = macs_66
+  m['ubuntu']['18'] = macs_60
+  m['ubuntu']['20'] = macs_60
   m['ubuntu'].default = macs_59
 
   m['debian'] = {}