diff --git a/ipcalc.spec b/ipcalc.spec
index 864ecea..a649b89 100644
--- a/ipcalc.spec
+++ b/ipcalc.spec
@@ -1,6 +1,6 @@
 Name: ipcalc
 Version: 0.1.2
-Release: 2%{?dist}
+Release: 3%{?dist}
 Summary: IP network address calculator
 
 # This is an updated version of ipcalc originally found
@@ -48,6 +48,9 @@ make check
 %{_mandir}/man1/ipcalc.1*
 
 %changelog
+* Mon Sep 21 2015 Nikos Mavrogiannopoulos <nmav@redhat.com> - 0.1.2-3
+- This package obsoletes ipcalculator
+
 * Wed Jun 17 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.1.2-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild