diff --git a/libmapnik.spec b/libmapnik.spec
index 251c71c..b5eb8f8 100644
--- a/libmapnik.spec
+++ b/libmapnik.spec
@@ -1,25 +1,22 @@
 Name:          libmapnik
 Version:       3.1.0
-Release:       1mamba
+Release:       2mamba
 Summary:       A Free Toolkit for developing mapping applications
 Group:         System/Tools
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://mapnik.org/
+URL:           https://mapnik.org/
 Source:        https://github.com/mapnik/mapnik/releases/download/v%{version}/mapnik-v%{version}.tar.bz2
-#Source:        https://mapnik.s3.amazonaws.com/dist/v%{version}/mapnik-v%{version}.tar.bz2
 Patch0:        libmapnik-3.0.9-boost-mt.patch
 Patch1:        libmapnik-3.0.15-icu-59.patch
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: ldconfig
 BuildRequires: libboost-devel
 BuildRequires: libcairo-devel
 BuildRequires: libfreetype-devel
 BuildRequires: libgcc
-BuildRequires: libgdal-devel
 BuildRequires: libharfbuzz-devel
 BuildRequires: libicu-devel
 BuildRequires: libjpeg-devel
@@ -31,9 +28,8 @@ BuildRequires: libtiff-devel
 BuildRequires: libwebp-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
-BuildRequires: libgdal-devel >= 2.0.1
+BuildRequires: libgdal-devel >= 3.3.3
 Provides:      mapnik
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Mapnik is a Free Toolkit for developing mapping applications. Above all Mapnik is about making beautiful maps. It is easily extensible and suitable for both desktop and web development.
@@ -110,6 +106,9 @@ export PYTHON=%{__python3}
 #%doc README
 
 %changelog
+* Tue Apr 26 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 3.1.0-2mamba
+- rebuilt with libgdal 3.3.3
+
 * Sat Jan 16 2021 Automatic Build System <autodist@mambasoft.it> 3.1.0-1mamba
 - automatic version update by autodist