diff --git a/calibre.spec b/calibre.spec
index 65b8ad5..5557610 100644
--- a/calibre.spec
+++ b/calibre.spec
@@ -6,7 +6,7 @@
 
 Name:           calibre
 Version:        3.4.0
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        E-book converter and library manager
 Group:          Applications/Multimedia
 License:        GPLv3
@@ -325,6 +325,9 @@ ln -s %{_jsdir}/mathjax %{_datadir}/%{name}/viewer/
 %{_datadir}/appdata/calibre*.appdata.xml
 
 %changelog
+* Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 3.4.0-3
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
 * Mon Jul 24 2017 Kevin Fenzi <kevin@scrye.com> - 3.4.0-2
 - Fix dependencies. Bug #1473976