diff --git a/libbytesize.spec b/libbytesize.spec
index c3ab0c1..6e8e169 100644
--- a/libbytesize.spec
+++ b/libbytesize.spec
@@ -1,5 +1,5 @@
 Name:          libbytesize
-Version:       2.6
+Version:       2.7
 Release:       1mamba
 Summary:       A tiny library providing a C "class" for working with arbitrary big sizes in bytes
 Group:         System/Libraries
@@ -15,6 +15,7 @@ BuildRequires: glibc-devel
 BuildRequires: libgmp-devel
 BuildRequires: libmpfr-devel
 BuildRequires: libpcre2-devel
+BuildRequires: libpython3-devel
 ## AUTOBUILDREQ-END
 
 %description
@@ -74,6 +75,9 @@ This package contains libraries and header files for developing applications tha
 %doc README.md
 
 %changelog
+* Thu May 26 2022 Automatic Build System <autodist@mambasoft.it> 2.7-1mamba
+- automatic version update by autodist
+
 * Wed Jul 07 2021 Automatic Build System <autodist@mambasoft.it> 2.6-1mamba
 - automatic version update by autodist