diff --git a/libreport.spec b/libreport.spec
index 6bad097..06e2c62 100644
--- a/libreport.spec
+++ b/libreport.spec
@@ -5,7 +5,7 @@
 Summary: Generic library for reporting various problems
 Name: libreport
 Version: 2.1.0
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: GPLv2+
 Group: System Environment/Libraries
 URL: https://fedorahosted.org/abrt/
@@ -35,6 +35,7 @@ Requires: libreport-filesystem
 # end-up with: can't import report.GtkIO
 # FIXME: can be removed when F15 will EOLed, needs to stay in rhel6!
 Requires: libreport-python = %{version}-%{release}
+Conflicts: abrt < 2.1.0
 
 # for rhel6
 %if 0%{?rhel} == 6
@@ -445,6 +446,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 
 
 %changelog
+* Tue Feb 05 2013 Jakub Filak <jfilak@redhat.com> 2.1.0-2
+- configure libreport to be in conflict with abrt < 2.1.0
+
 * Mon Feb 04 2013 Jakub Filak <jfilak@redhat.com> 2.1.0-1
 - dd: unify error handling in save_binary_file()
 - dd_sanitize: don't sanitize symlinks