CHANGELOG.md in xapian-ruby-1.2.21 vs CHANGELOG.md in xapian-ruby-1.2.22

@@ -1,4 +1,8 @@
+##1.2.22 (January 12th, 2016)
+
+- update to xapian 1.2.22
+
 ##1.2.21 (July 14th, 2015)
 
 - update to xapian 1.2.21
 
 ##1.2.20 (May 5th, 2015)