diff --git a/autoconf.spec b/autoconf.spec
index dead55e..b50b21f 100644
--- a/autoconf.spec
+++ b/autoconf.spec
@@ -1,6 +1,6 @@
 Name:          autoconf
 Version:       2.72
-Release:       1mamba
+Release:       2mamba
 Epoch:         1
 Summary:       A GNU tool for automatically configuring source code
 Group:         Development/Tools
@@ -81,6 +81,9 @@ exit 0
 #ChangeLog BUGS NEWS README THANKS TODO
 
 %changelog
+* Sun Dec 24 2023 Automatic Build System <autodist@mambasoft.it> 2.72-2mamba
+- automatic version update by autodist
+
 * Sat Dec 23 2023 Automatic Build System <autodist@mambasoft.it> 2.72-1mamba
 - automatic version update by autodist