diff --git a/libpipeline.spec b/libpipeline.spec
index e80cda9..e1bf38d 100644
--- a/libpipeline.spec
+++ b/libpipeline.spec
@@ -1,5 +1,5 @@
 Name:          libpipeline
-Version:       1.5.5
+Version:       1.5.6
 Release:       1mamba
 Summary:       A C library for manipulating pipelines of subprocesses in a flexible and convenient way
 Group:         System/Libraries
@@ -61,6 +61,9 @@ This package contains libraries and header files for developing applications tha
 %doc ChangeLog TODO
 
 %changelog
+* Sun Apr 24 2022 Automatic Build System <autodist@mambasoft.it> 1.5.6-1mamba
+- automatic version update by autodist
+
 * Fri Jan 07 2022 Automatic Build System <autodist@mambasoft.it> 1.5.5-1mamba
 - automatic version update by autodist