diff --git a/net-snmp.spec b/net-snmp.spec
index 929592e..6525e3e 100644
--- a/net-snmp.spec
+++ b/net-snmp.spec
@@ -1,14 +1,14 @@
 %define perl_major_ver %(eval `perl -V:version`; echo ${version%*.[0-9]*}.0)
 
 Name:          net-snmp
-Version:       5.9
-Release:       4mamba
+Version:       5.9.1
+Release:       1mamba
 Summary:       net-snmp is an extensible SNMP agent and library and more
 Group:         Network/Monitoring
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           https://net-snmp.sourceforge.net/
+URL:           http://www.net-snmp.org/
 Source0:       http://downloads.sourceforge.net/sourceforge/net-snmp/net-snmp-%{version}.tar.gz
 Source1:       snmpd.service
 Source2:       snmptrapd.service
@@ -20,17 +20,19 @@ Patch2:        net-snmp-5.7.3-openssl-1.1.patch
 License:       BSD
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: ldconfig
+BuildRequires: libaudit-devel
 BuildRequires: libbzip2-devel
+BuildRequires: libcap-ng-devel
 BuildRequires: libdb53-devel
 BuildRequires: libe2fs-devel
-BuildRequires: libelf-devel
+BuildRequires: libgcrypt-devel
+BuildRequires: libgpg-error-devel
 BuildRequires: libkrb5-devel
+BuildRequires: liblua-devel
 BuildRequires: liblzma-devel
 BuildRequires: libncurses-devel
 BuildRequires: libnl-devel
 BuildRequires: libnsl-devel
-BuildRequires: libnss-devel
 BuildRequires: libopenssl-devel
 BuildRequires: libpcap-devel
 BuildRequires: libpci-devel
@@ -38,7 +40,9 @@ BuildRequires: libpcre-devel
 BuildRequires: libperl
 BuildRequires: libpopt-devel
 BuildRequires: libpython3-devel
+BuildRequires: libreadline-devel
 BuildRequires: librpm-devel
+BuildRequires: libsqlite-devel
 BuildRequires: libtirpc-devel
 BuildRequires: libwrap-devel
 BuildRequires: libz-devel
@@ -46,7 +50,6 @@ BuildRequires: libzstd-devel
 BuildRequires: perl-JSON
 BuildRequires: perl-Mail-Sender
 BuildRequires: perl-devel
-BuildRequires: python3
 ## AUTOBUILDREQ-END
 BuildRequires: librpm-devel >= 4.16.1.2-1mamba
 BuildRequires: libnetsnmp-devel >= 5.9-1mamba
@@ -345,6 +348,9 @@ rm -f .packlist
 %{python3_sitearch}/netsnmp_python-*/
 
 %changelog
+* Thu May 27 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 5.9.1-1mamba
+- update to 5.9.1
+
 * Mon Mar 08 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 5.9-4mamba
 - rebuilt with fix /bin requirements