diff --git a/python-matplotlib.spec b/python-matplotlib.spec
index e05b6fc..22e60cc 100644
--- a/python-matplotlib.spec
+++ b/python-matplotlib.spec
@@ -1,5 +1,5 @@
 Name:          python-matplotlib
-Version:       3.4.1
+Version:       3.4.2
 Release:       1mamba
 Summary:       Python plotting library
 Group:         System/Libraries/Python
@@ -13,20 +13,15 @@ Source1:       python-matplotlib-1.0.1-setup.cfg
 License:       Python
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libatk-devel
-BuildRequires: libcairo-devel
-BuildRequires: libfontconfig-devel
-BuildRequires: libfreetype-devel
 BuildRequires: libgcc
-BuildRequires: libgdk-pixbuf-devel
-BuildRequires: libglib-devel
-BuildRequires: libgtk2-devel
-BuildRequires: libpango-devel
-BuildRequires: libpng-devel
-BuildRequires: libpython-devel
+BuildRequires: libpython3-devel
 BuildRequires: libstdc++6-devel
-BuildRequires: libtcl-devel
-BuildRequires: libtk-devel
+BuildRequires: python3.7dist(cycler)
+BuildRequires: python3.7dist(kiwisolver)
+BuildRequires: python3.7dist(numpy)
+BuildRequires: python3.7dist(pillow)
+BuildRequires: python3.7dist(pyparsing)
+BuildRequires: python3.7dist(python-dateutil)
 ## AUTOBUILDREQ-END
 BuildRequires: pygtk-devel
 BuildRequires: python-tk
@@ -83,6 +78,9 @@ rm -rf %{buildroot}%{python_sitearch}/matplotlib/mpl-data/fonts
 %doc LICENSE/LICENSE
 
 %changelog
+* Sun May 09 2021 Automatic Build System <autodist@mambasoft.it> 3.4.2-1mamba
+- automatic version update by autodist
+
 * Sat Apr 10 2021 Automatic Build System <autodist@mambasoft.it> 3.4.1-1mamba
 - automatic version update by autodist