diff --git a/libASL.spec b/libASL.spec
index 83117b5..47e030d 100644
--- a/libASL.spec
+++ b/libASL.spec
@@ -5,7 +5,7 @@
 
 Name:           lib%{upstream}
 Version:        0.1.7
-Release:        20%{?dist}
+Release:        21%{?dist}
 Summary:        Advanced Simulation Library hardware accelerated multiphysics simulation platform
 
 License:        AGPLv3 and BSD and MIT
@@ -206,6 +206,9 @@ mv %{buildroot}%{_datadir}/%{upstream}/input %{buildroot}%{_docdir}/%{name}-exam
 
 
 %changelog
+* Thu May 28 2020 Jonathan Wakely <jwakely@redhat.com> - 0.1.7-21
+- Rebuilt for Boost 1.73
+
 * Wed Jan 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.1.7-20
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild