diff --git a/lhapdf.spec b/lhapdf.spec
index c5224c6..1a88eb7 100644
--- a/lhapdf.spec
+++ b/lhapdf.spec
@@ -13,7 +13,7 @@
 
 Name:		lhapdf
 Version:	5.9.1
-Release:	18%{?dist}
+Release:	19%{?dist}
 Summary:	Les Houches Accord PDF Interface
 Group:		System Environment/Libraries
 
@@ -251,6 +251,9 @@ rm -rf %{buildroot}
 %doc ccwrap/doxy/html COPYING
 
 %changelog
+* Mon May 15 2017 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 5.9.1-19
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_27_Mass_Rebuild
+
 * Wed Feb 08 2017 Kalev Lember <klember@redhat.com> - 5.9.1-18
 - Rebuilt for libgfortran soname bump