diff --git a/libghemical.spec b/libghemical.spec
index 19ab126..f4181ec 100644
--- a/libghemical.spec
+++ b/libghemical.spec
@@ -1,7 +1,7 @@
 Name:           libghemical
 Summary:        Libraries for the Ghemical chemistry package
 Version:        3.0.0
-Release:        4%{?dist}.1
+Release:        5%{?dist}.1
 License:        GPLv2+
 Group:          Applications/Engineering
 URL:            http://www.bioinformatics.org/ghemical/ghemical/index.html
@@ -81,6 +81,9 @@ rm -rf %{buildroot}
 
 
 %changelog
+* Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 3.0.0-5.1
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
+
 * Mon May 15 2017 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 3.0.0-4.1
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_27_Mass_Rebuild