--- rpl/configure.ac	2021/12/13 19:01:11	1.262
+++ rpl/configure.ac	2021/12/16 09:48:10	1.264
@@ -8,11 +8,11 @@ AC_CONFIG_HEADERS([rplconfig.h])
 
 dnl Libraries
 NCURSES=ncurses-6.1
-READLINE=readline-8.0
+READLINE=readline-8.1
 UNITS=units-2.19
 GSL=gsl-2.7.1
 GPP=gpp-3.0
-GNUPLOT=gnuplot-5.2.8
+GNUPLOT=gnuplot-5.4.2
 dnl ftp://ftp.astron.com/pub/file/
 FILE=file-5.37
 ICONV=libiconv-1.16