diff --git a/imath.spec b/imath.spec
index 0ae1697..c89ffd6 100644
--- a/imath.spec
+++ b/imath.spec
@@ -4,7 +4,7 @@
 
 Name:           imath
 Version:        3.1.5
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Library of 2D and 3D vector, matrix, and math operations for computer graphics
 
 License:        BSD
@@ -97,6 +97,9 @@ mv %{__cmake_builddir}/docs/sphinx ./html
 
 
 %changelog
+* Wed May 04 2022 Thomas Rodgers <trodgers@redhat.com> - 3.1.5-2
+- Rebuilt for Boost 1.78
+
 * Fri Apr 15 2022 Richard Shaw <hobbes1069@gmail.com> - 3.1.5-1
 - Update to 3.1.5.