CHANGELOG.md in mysql_getlock-0.2.2 vs CHANGELOG.md in mysql_getlock-0.2.3

@@ -1,4 +1,10 @@
+# 0.2.3 (2016-08-31)
+
+Enhancements:
+
+* Add #try_lock
+
 # 0.2.2 (2016-08-29)
 
 Enhancements:
 
 * Before MySQL 5.5.8, a negative timeout value did not mean infinite timeout on platforms except Windows. Apply large number of timeout (4294967295) if timeout < 0 is given to support infinite timeout spuriously for MySQL < 5.5.8.