diff --git a/README.md b/README.md
index 5a8420f..ccc4741 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
 # openmamba-release
 
-Release file and Smart Package Manager configuration for openmamba 4.0.0 .
+Release file and Smart Package Manager configuration for openmamba 4.0.1 .
 
diff --git a/openmamba-release.spec b/openmamba-release.spec
index 766da72..46486f7 100644
--- a/openmamba-release.spec
+++ b/openmamba-release.spec
@@ -17,7 +17,7 @@
 %endif
 
 Name:          openmamba-release
-Version:       4.0.0
+Version:       4.0.1
 Release:       1mamba
 Summary:       Release file and Smart Package Manager configuration for %{distroid} %{fullversion} %{?codename:(%codename)}
 Group:         System/Configuration
@@ -125,6 +125,11 @@ sed -i "s|\%ARCH\%|i586 %{_host_cpu}|" %{buildroot}%{_sysconfdir}/smart/distro.d
 sed -i "s|\%ARCH\%|%{_host_cpu}|" %{buildroot}%{_sysconfdir}/smart/distro.d/*
 %endif
 
+%ifnarch x86_64
+rm -f %{buildroot}%{_sysconfdir}/yum.repos.d/openmamba-rolling-i586.repo
+rm -f %{buildroot}%{_sysconfdir}/yum.repos.d/openmamba-rolling-unstable-i586.repo
+%endif
+
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
@@ -164,8 +169,17 @@ fi
 %files -n openmamba-devel
 %defattr(-,root,root)
 %{_sysconfdir}/smart/distro.d/90-%{distroid}-devel-repositories.py
+%ifarch x86_64
+%{_sysconfdir}/yum.repos.d/openmamba-rolling-i586.repo
+%{_sysconfdir}/yum.repos.d/openmamba-rolling-unstable-i586.repo
+%endif
+%{_sysconfdir}/yum.repos.d/openmamba-rolling.repo
+%{_sysconfdir}/yum.repos.d/openmamba-rolling-unstable.repo
 
 %changelog
+* Sat Aug 26 2017 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.1-1mamba
+- update to 4.0.1
+
 * Tue Apr 18 2017 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.0-1mamba
 - update to 4.0.0