diff --git a/libosip2.spec b/libosip2.spec
index 6793198..5fcbc58 100644
--- a/libosip2.spec
+++ b/libosip2.spec
@@ -1,5 +1,5 @@
 Name:          libosip2
-Version:       5.2.1
+Version:       5.3.0
 Release:       1mamba
 Summary:       An implementation of SIP
 Group:         System/Libraries
@@ -11,7 +11,6 @@ Source:        http://ftp.gnu.org/gnu/osip/libosip2-%{version}.tar.gz
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libnsl-devel
 ## AUTOBUILDREQ-END
 
 %description
@@ -70,6 +69,9 @@ This package contains static libraries and header files need for development.
 %doc BUGS ChangeLog NEWS README TODO
 
 %changelog
+* Thu Nov 25 2021 Automatic Build System <autodist@mambasoft.it> 5.3.0-1mamba
+- automatic version update by autodist
+
 * Wed May 26 2021 Automatic Build System <autodist@mambasoft.it> 5.2.1-1mamba
 - automatic version update by autodist