diff --git a/nbdkit.spec b/nbdkit.spec
index 4e5e208..c13b4a5 100644
--- a/nbdkit.spec
+++ b/nbdkit.spec
@@ -6,7 +6,7 @@
 
 Name:           nbdkit
 Version:        1.1.12
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        NBD server
 
 License:        BSD
@@ -480,6 +480,9 @@ popd
 
 
 %changelog
+* Thu Jan 12 2017 Vít Ondruch <vondruch@redhat.com> - 1.1.12-6
+- Rebuilt for https://fedoraproject.org/wiki/Changes/Ruby_2.4
+
 * Fri Dec 23 2016 Richard W.M. Jones <rjones@redhat.com> - 1.1.12-5
 - Rebuild for Python 3.6 update.