diff --git a/cln.spec b/cln.spec
index 5d309c1..805dc00 100644
--- a/cln.spec
+++ b/cln.spec
@@ -1,6 +1,6 @@
 Name:           cln
 Version:        1.3.4
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        Class Library for Numbers
 License:        GPLv2+
 URL:            http://www.ginac.de/CLN/
@@ -81,6 +81,9 @@ fi
 %doc doc/cln.pdf doc/cln.html
 
 %changelog
+* Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.3.4-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
 * Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.3.4-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild