diff --git a/sbinary.spec b/sbinary.spec
index 23e0cd6..e7c00f8 100644
--- a/sbinary.spec
+++ b/sbinary.spec
@@ -6,7 +6,7 @@
 
 Name:           sbinary
 Version:        %{sbinary_version}
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Library for describing binary formats for Scala types
 
 License:        MIT
@@ -143,6 +143,9 @@ cp -rp core/target/scala-%{scala_version}/api/* %{buildroot}/%{_javadocdir}/%{na
 %doc LICENSE
 
 %changelog
+* Fri Jun 19 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.4.2-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
+
 * Tue Jun 10 2014 Mat Booth <mat.booth@redhat.com> - 0.4.2-3
 - Migrate to .mfiles