diff --git a/grive2.spec b/grive2.spec
index 1d759a2..d9ca6df 100644
--- a/grive2.spec
+++ b/grive2.spec
@@ -1,6 +1,6 @@
 Name:          grive2
 Version:       0.5.0
-Release:       3mamba
+Release:       4mamba
 Summary:       Google Drive client
 Group:         Applications/Networking
 Vendor:        openmamba
@@ -23,7 +23,7 @@ BuildRequires: libstdc++6-devel
 BuildRequires: libyajl-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
-BuildRequires: libbinutils-devel >= 2.28-1mamba
+BuildRequires: libbinutils-devel >= 2.29.1-1mamba
 BuildRequires: cmake
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
@@ -53,6 +53,9 @@ Google Drive client with the support for the new Drive REST API and partial sync
 %doc COPYING
 
 %changelog
+* Mon Nov 06 2017 Silvan Calarco <silvan.calarco@mambasoft.it> 0.5.0-4mamba
+- rebuilt by autoport with build requirements: libbinutils-devel>=2.29.1-1mamba
+
 * Sun Jun 18 2017 Silvan Calarco <silvan.calarco@mambasoft.it> 0.5.0-3mamba
 - rebuilt by autoport with build requirements: libbinutils-devel>=2.28-1mamba