diff --git a/clthreads.spec b/clthreads.spec
index 530eb3e..a2a8d61 100644
--- a/clthreads.spec
+++ b/clthreads.spec
@@ -3,7 +3,7 @@
 Summary:       POSIX threads C++ access library
 Name:          clthreads
 Version:       2.4.0
-Release:       18%{?dist}
+Release:       19%{?dist}
 License:       LGPLv2+
 Group:         System Environment/Libraries
 URL:           http://kokkinizita.linuxaudio.org/linuxaudio/
@@ -65,6 +65,9 @@ rm -rf %{buildroot}
 %{_libdir}/lib%{name}.so
 
 %changelog
+* Wed Aug 02 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.4.0-19
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild
+
 * Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 2.4.0-18
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild