diff --git a/flatpak.spec b/flatpak.spec
index 7966183..d33afdf 100644
--- a/flatpak.spec
+++ b/flatpak.spec
@@ -1,6 +1,6 @@
 Name:          flatpak
 Version:       1.10.1
-Release:       1mamba
+Release:       2mamba
 Summary:       Linux application sandboxing and distribution framework
 Group:         System/Management
 Vendor:        openmamba
@@ -12,11 +12,13 @@ Source:        https://github.com/flatpak/flatpak.git/%{version}/flatpak-%{versi
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: ldconfig
 BuildRequires: libXau-devel
 BuildRequires: libacl-devel
 BuildRequires: libappstream-glib-devel
 BuildRequires: libarchive-devel
 BuildRequires: libassuan-devel
+BuildRequires: libattr-devel
 BuildRequires: libavahi-devel
 BuildRequires: libavahi-glib-devel
 BuildRequires: libblkid-devel
@@ -24,39 +26,32 @@ BuildRequires: libbzip2-devel
 BuildRequires: libcap-devel
 BuildRequires: libdbus-devel
 BuildRequires: libdconf-devel
-BuildRequires: libe2fs-devel
 BuildRequires: libexpat-devel
-BuildRequires: libffi-devel
 BuildRequires: libfuse-devel
-BuildRequires: libgcrypt-devel
 BuildRequires: libgdk-pixbuf-devel
 BuildRequires: libglib-devel
 BuildRequires: libgpg-error-devel
 BuildRequires: libgpgme-devel
 BuildRequires: libjson-glib-devel
-BuildRequires: libkrb5-devel
+BuildRequires: liblz4-devel
 BuildRequires: liblzma-devel
+BuildRequires: liblzo-devel
 BuildRequires: libmount-devel
 BuildRequires: libnettle-devel
 BuildRequires: libopenssl-devel
 BuildRequires: libostree-devel
-BuildRequires: libpcre-devel
-BuildRequires: libpng-devel
 BuildRequires: libpolkit-devel
 BuildRequires: libseccomp-devel
 BuildRequires: libselinux-devel
-BuildRequires: libsepol-devel
 BuildRequires: libsoup-devel
-BuildRequires: libsqlite-devel
 BuildRequires: libssp-devel
 BuildRequires: libsystemd-devel
-BuildRequires: libuuid-devel
 BuildRequires: libxml2-devel
 BuildRequires: libz-devel
 BuildRequires: libzstd-devel
 ## AUTOBUILDREQ-END
+BuildRequires: librpm-devel >= 4.16.1.2
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Linux application sandboxing and distribution framework.
@@ -158,6 +153,9 @@ NOCONFIGURE=1 ./autogen.sh
 %doc NEWS README.md
 
 %changelog
+* Sun Mar 07 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 1.10.1-2mamba
+- rebuilt with rpm 4.16.1.2
+
 * Thu Jan 21 2021 Automatic Build System <autodist@mambasoft.it> 1.10.1-1mamba
 - automatic version update by autodist