diff --git a/memcached.spec b/memcached.spec
index 96fe937..62005ba 100644
--- a/memcached.spec
+++ b/memcached.spec
@@ -1,5 +1,5 @@
 Name:          memcached
-Version:       1.5.20
+Version:       1.5.21
 Release:       1mamba
 Summary:       A high-performance, distributed memory object caching system
 Group:         System/Tools
@@ -57,6 +57,9 @@ This package contains header files for developing applications that use %{name}.
 %doc ChangeLog NEWS README.md
 
 %changelog
+* Fri Mar 27 2020 Automatic Build System <autodist@mambasoft.it> 1.5.21-1mamba
+- automatic version update by autodist
+
 * Mon Mar 23 2020 Automatic Build System <autodist@mambasoft.it> 1.5.20-1mamba
 - automatic version update by autodist