diff --git a/rubygem-atomic.spec b/rubygem-atomic.spec
index 399ab3e..b7bbbb4 100644
--- a/rubygem-atomic.spec
+++ b/rubygem-atomic.spec
@@ -3,7 +3,7 @@
 
 Name: rubygem-%{gem_name}
 Version: 1.1.99
-Release: 3%{?dist}
+Release: 4%{?dist}
 Summary: An atomic reference implementation for JRuby, Rubinius, and MRI
 Group: Development/Languages
 License: ASL 2.0
@@ -72,6 +72,9 @@ popd
 %{gem_instdir}/test
 
 %changelog
+* Tue Jan 10 2017 Vít Ondruch <vondruch@redhat.com> - 1.1.99-4
+- Rebuilt for https://fedoraproject.org/wiki/Changes/Ruby_2.4
+
 * Thu Feb 04 2016 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.99-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild