diff --git a/protobuf.spec b/protobuf.spec
index 023c40a..5b75a3a 100644
--- a/protobuf.spec
+++ b/protobuf.spec
@@ -1,5 +1,5 @@
 Name:          protobuf
-Version:       3.15.8
+Version:       3.16.0
 Release:       1mamba
 Summary:       A way of encoding structured data in an efficient yet extensible format
 Group:         Development/Tools
@@ -14,7 +14,6 @@ BuildRequires: glibc-devel
 BuildRequires: libgcc
 BuildRequires: libstdc++6-devel
 BuildRequires: libz-devel
-BuildRequires: python3
 ## AUTOBUILDREQ-END
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 
@@ -110,6 +109,9 @@ sed -i "s,.*/man/.*,&.gz," %{name}.filelist
 %defattr(-,root,root)
 
 %changelog
+* Sun May 09 2021 Automatic Build System <autodist@mambasoft.it> 3.16.0-1mamba
+- automatic version update by autodist
+
 * Fri Apr 09 2021 Automatic Build System <autodist@mambasoft.it> 3.15.8-1mamba
 - automatic version update by autodist