diff --git a/simspark.spec b/simspark.spec
index 4222504..444f7d2 100644
--- a/simspark.spec
+++ b/simspark.spec
@@ -1,6 +1,6 @@
 Name:           simspark
 Version:        0.2.4
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Spark physical simulation system
 
 Group:          Development/Libraries
@@ -75,6 +75,9 @@ rm -rf %{buildroot}/%{_datadir}/doc
 %doc doc/devel/howtos doc/devel/manual.pdf
 
 %changelog
+* Tue Apr 29 2014 Vít Ondruch <vondruch@redhat.com> - 0.2.4-5
+- Rebuilt for https://fedoraproject.org/wiki/Changes/Ruby_2.1
+
 * Sun Aug 04 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.2.4-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild