diff --git a/createrepo_c.spec b/createrepo_c.spec
index 6b209fd..20a08a7 100644
--- a/createrepo_c.spec
+++ b/createrepo_c.spec
@@ -1,6 +1,6 @@
 Name:          createrepo_c
 Version:       0.17.1
-Release:       1mamba
+Release:       2mamba
 Summary:       C implementation of createrepo, a tool to create repodata from a set of rpm files
 Group:         System/Management
 Vendor:        openmamba
@@ -28,6 +28,7 @@ BuildRequires: libxml2-devel
 BuildRequires: libz-devel
 BuildRequires: libzck-devel
 ## AUTOBUILDREQ-END
+BuildRequires: librpm-devel >= 4.16.1.2-1mamba
 BuildRequires: cmake
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 
@@ -112,6 +113,9 @@ This package contains the Python bindings for %{name}.
 %doc README.md
 
 %changelog
+* Sun Mar 07 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 0.17.1-2mamba
+- rebuilt by autoport with build requirements: librpm-devel>=4.16.1.2-1mamba
+
 * Sat Mar 06 2021 Automatic Build System <autodist@mambasoft.it> 0.17.1-1mamba
 - automatic version update by autodist