diff --git a/libeXosip2.spec b/libeXosip2.spec
index 2f6ced3..2c4613f 100644
--- a/libeXosip2.spec
+++ b/libeXosip2.spec
@@ -1,5 +1,5 @@
 Name:          libeXosip2
-Version:       3.6.0
+Version:       4.1.0
 Release:       1mamba
 Summary:       A library that hides the complexity of using the SIP protocol for mutlimedia session establishement
 Group:         System/Libraries
@@ -11,9 +11,11 @@ Source:        http://mirror.lihnidos.org/GNU/savannah/exosip/libeXosip2-%{versi
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: libcares-devel
 BuildRequires: libopenssl-devel
 BuildRequires: libosip2-devel
 ## AUTOBUILDREQ-END
+BuildRequires: libosip2-devel >= 4.1.0-1mamba
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -61,6 +63,12 @@ This package contains static libraries and header files need for development.
 %doc ChangeLog NEWS README
 
 %changelog
+* Thu Mar 26 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 4.1.0-1mamba
+- update to 4.1.0
+
+* Thu Mar 26 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 3.6.0-2mamba
+- rebuilt by autoport with build requirements: libosip2-devel>=4.1.0-1mamba
+
 * Fri Dec 09 2011 Silvan Calarco <silvan.calarco@mambasoft.it> 3.6.0-1mamba
 - update to 3.6.0