--- rpl/ChangeLog	2016/12/04 23:05:45	1.259
+++ rpl/ChangeLog	2016/12/13 21:39:00	1.260
@@ -1,4 +1,5 @@
 * Fri Oct 07 2016 BERTRAND Joël <rpl@systella.fr> rpl-4.1.26 (RPL/2)
+- GSL is upgraded to 2.3;
 - file is upgraded to 5.29;
 - some modifications are done to buld RPL/2 (and modules built with RPL/C) under
 Cygwin (Windows 10, 64 bits);