diff --git a/Field3D.spec b/Field3D.spec
index 4bd9abd..75b0d3d 100644
--- a/Field3D.spec
+++ b/Field3D.spec
@@ -1,6 +1,6 @@
 Name:           Field3D
 Version:        1.7.3
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Library for storing voxel data
 
 License:        BSD
@@ -70,6 +70,9 @@ pushd build
 
 
 %changelog
+* Thu May 28 2020 Jonathan Wakely <jwakely@redhat.com> - 1.7.3-2
+- Rebuilt for Boost 1.73
+
 * Thu Mar 12 2020 Richard Shaw <hobbes1069@gmail.com> - 1.7.3-1
 - Update to 1.7.3.