diff --git a/containerd.spec b/containerd.spec
index 69a1c2b..658893f 100644
--- a/containerd.spec
+++ b/containerd.spec
@@ -1,6 +1,6 @@
 %define _commit 09814d48d50816305a8e6c1a4ae3e2bcc4ba725a
 Name:          containerd
-Version:       1.4.4
+Version:       1.5.5
 Release:       1mamba
 Summary:       A daemon to control OCI container runtimes
 Group:         System/Servers
@@ -12,7 +12,6 @@ Source:        https://github.com/containerd/containerd.git/v%{version}/containe
 License:       Apache License 2.0
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libseccomp-devel
 ## AUTOBUILDREQ-END
 BuildRequires: libgo-devel >= 7.3.0-1mamba
 BuildRequires: gcc-go
@@ -35,6 +34,9 @@ export GOPATH=$PWD
 cd src/github.com/containerd/containerd
 export GOFLAGS="-trimpath"
 
+# Required since Go 1.16
+export GO111MODULE=off
+
 %make VERSION=v%{version}.m REVISION=%{_commit}.m
 
 %install
@@ -70,6 +72,9 @@ install -Dm644 containerd.service %{buildroot}%{_unitdir}/containerd.service
 %doc LICENSE
 
 %changelog
+* Wed Aug 04 2021 Automatic Build System <autodist@mambasoft.it> 1.5.5-1mamba
+- automatic version update by autodist
+
 * Fri Mar 05 2021 Automatic Build System <autodist@mambasoft.it> 1.4.4-1mamba
 - automatic version update by autodist