--- rpl/configure.ac	2020/05/21 08:01:29	1.253
+++ rpl/configure.ac	2021/12/07 17:07:02	1.255
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_INIT([rpl],[4.1.32])
+AC_INIT([rpl],[4.1.33])
 AC_CANONICAL_TARGET
 AM_INIT_AUTOMAKE(silent-rules)
 AM_SILENT_RULES([yes])
@@ -10,7 +10,7 @@ dnl Libraries
 NCURSES=ncurses-6.1
 READLINE=readline-8.0
 UNITS=units-2.19
-GSL=gsl-2.6
+GSL=gsl-2.7.1
 GPP=gpp-3.0
 GNUPLOT=gnuplot-5.2.8
 dnl ftp://ftp.astron.com/pub/file/