diff --git a/gnuplot.spec b/gnuplot.spec
index a23817f..dad95bd 100644
--- a/gnuplot.spec
+++ b/gnuplot.spec
@@ -1,6 +1,6 @@
 Name:          gnuplot
 Version:       5.4.2
-Release:       1mamba
+Release:       2mamba
 Summary:       Command-line driven interactive datafile and function plotting utility
 Group:         Applications/Mathematics
 Distribution:  openmamba
@@ -18,13 +18,11 @@ BuildRequires: glibc-devel
 BuildRequires: libX11-devel
 BuildRequires: libatk-devel
 BuildRequires: libcairo-devel
-BuildRequires: libfontconfig-devel
-BuildRequires: libfreetype-devel
 BuildRequires: libgcc
 BuildRequires: libgd-devel
 BuildRequires: libgdk-pixbuf-devel
 BuildRequires: libglib-devel
-BuildRequires: libgtk2-devel
+BuildRequires: libgtk3-devel
 BuildRequires: libharfbuzz-devel
 BuildRequires: liblua-devel
 BuildRequires: libncurses-devel
@@ -32,8 +30,8 @@ BuildRequires: libpango-devel
 BuildRequires: libqt5-devel
 BuildRequires: libreadline-devel
 BuildRequires: libstdc++6-devel
-BuildRequires: libwxBase-unicode-devel
-BuildRequires: libwxGTK-unicode-devel
+BuildRequires: libwx_baseu-devel
+BuildRequires: libwx_gtk3u-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
 BuildRequires: tetex
@@ -76,7 +74,7 @@ cp %{SOURCE2} .
 %build
 #autoreconf
 %configure \
-   WX_CONFIG=%{_bindir}/wx-config-unicode \
+   WX_CONFIG=%{_bindir}/wx-config-unicode-3 \
    --with-texdir=%{_datadir}/texmf/tex/latex/gnuplot
 
 %make
@@ -138,6 +136,9 @@ EOF
 %doc docs/psdoc/ps_*
 
 %changelog
+* Sun Aug 01 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 5.4.2-2mamba
+- rebuilt with wxWidgets 3.1
+
 * Fri Jun 04 2021 Automatic Build System <autodist@mambasoft.it> 5.4.2-1mamba
 - automatic version update by autodist