diff --git a/ChangeLog.txt b/ChangeLog.txt
index d3ee7a6566c442a023a4760e8b0d352bbd9fc10b..da1e7255c1684c0a5d5aed4db1db8be025d1da23 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -6,6 +6,16 @@
 
 JSONlab ChangeLog (key features marked by *):
 
+== JSONlab 1.5 (codename: Nominus - alpha), FangQ <q.fang <at> neu.edu> ==
+
+ 2017/01/02 *use Big-endian format to store floating points (d/D) in saveubjson (Issue #25)
+ 2017/01/02 *speedup parsing large unstructured data by 2x (Issue #9)
+ 2017/01/01  make parsing independent of white space (Issue #30)
+ 2016/08/27  allow to parse array of homogeneous elements (Issue 5)
+ 2016/08/22  permit [] inside file names in savejson
+ 2016/01/06  fix a bug that prevents saving to a file in savejson
+ 
+
 == JSONlab 1.2 (codename: Optimus - Update 2), FangQ <q.fang <at> neu.edu> ==
 
  2015/12/16  replacing string concatenation by str cells to gain 2x speed in savejson (Issue#17)
diff --git a/README.txt b/README.txt
index 2d3129e24dd1d65645a13d819ea625425faa7d8b..3f537baefd3fb802ccbbdc7e97398b9032577989 100644
--- a/README.txt
+++ b/README.txt
@@ -5,7 +5,7 @@
 
 *Copyright (C) 2011-2017  Qianqian Fang <q.fang at neu.edu>
 *License: BSD or GNU General Public License version 3 (GPL v3), see License*.txt
-*Version: 1.8 (Magnus - alpha)
+*Version: 1.5 (Nominus - alpha)
 
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