diff --git a/boost.spec b/boost.spec
index eb07abb..f2c69f6 100644
--- a/boost.spec
+++ b/boost.spec
@@ -42,7 +42,7 @@ Name: boost
 %global real_name boost
 Summary: The free peer-reviewed portable C++ source libraries
 Version: 1.81.0
-Release: 5%{?dist}
+Release: 6%{?dist}
 License: BSL-1.0 AND MIT AND Python-2.0.1
 
 # Replace each . with _ in %%{version}
@@ -1275,6 +1275,9 @@ fi
 %{_mandir}/man1/b2.1*
 
 %changelog
+* Wed Jul 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1.81.0-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
+
 * Tue Jul 11 2023 František Zatloukal <fzatlouk@redhat.com> - 1.81.0-5
 - Rebuilt for ICU 73.2