diff --git a/perl-Alien-m4.spec b/perl-Alien-m4.spec
index 6b4d382..cf2644a 100644
--- a/perl-Alien-m4.spec
+++ b/perl-Alien-m4.spec
@@ -1,7 +1,7 @@
 %define perl_major_ver %(eval `perl -V:version`; echo ${version%*.[0-9]*}.0)
 
 Name:          perl-Alien-m4
-Version:       0.20
+Version:       0.21
 Release:       1mamba
 Summary:       Alien::m4 - Find or build GNU m4
 Group:         System/Libraries/Perl
@@ -52,6 +52,9 @@ done
 %doc LICENSE
 
 %changelog
+* Wed Jun 23 2021 Automatic Build System <autodist@mambasoft.it> 0.21-1mamba
+- automatic version update by autodist
+
 * Sat May 29 2021 Automatic Build System <autodist@mambasoft.it> 0.20-1mamba
 - automatic version update by autodist