diff --git a/containerd.spec b/containerd.spec
index 658893f..451ea64 100644
--- a/containerd.spec
+++ b/containerd.spec
@@ -1,6 +1,6 @@
 %define _commit 09814d48d50816305a8e6c1a4ae3e2bcc4ba725a
 Name:          containerd
-Version:       1.5.5
+Version:       1.5.6
 Release:       1mamba
 Summary:       A daemon to control OCI container runtimes
 Group:         System/Servers
@@ -11,6 +11,7 @@ URL:           https://containerd.io/
 Source:        https://github.com/containerd/containerd.git/v%{version}/containerd-%{version}.tar.bz2
 License:       Apache License 2.0
 ## AUTOBUILDREQ-BEGIN
+#libdl.so.2()(64bit): /usr/lib64/libdl.so: file not owned by any package
 BuildRequires: glibc-devel
 ## AUTOBUILDREQ-END
 BuildRequires: libgo-devel >= 7.3.0-1mamba
@@ -72,6 +73,9 @@ install -Dm644 containerd.service %{buildroot}%{_unitdir}/containerd.service
 %doc LICENSE
 
 %changelog
+* Thu Sep 30 2021 Automatic Build System <autodist@mambasoft.it> 1.5.6-1mamba
+- automatic version update by autodist
+
 * Wed Aug 04 2021 Automatic Build System <autodist@mambasoft.it> 1.5.5-1mamba
 - automatic version update by autodist