--- rpl/ChangeLog	2015/11/10 11:12:26	1.237
+++ rpl/ChangeLog	2015/11/16 20:59:55	1.238
@@ -1,6 +1,6 @@
 * Wed Sep 16 2015 BERTRAND Joël <rpl@systella.fr> rpl-4.1.23 (RPL/2)
 - Giac is upgraded to 1.2.2 and mpfi is added;
-- GSL is upgraded to 2.0;
+- GSL is upgraded to 2.1;
 - major bug is fixed in interruption (mutexes failure);
 - minor bug is fixed in evaluation():
 << 1 'X' sto { X } 'Y' sto 'Y(1)' eval >> returns 1 and