diff --git a/tbb.spec b/tbb.spec
index c11a6a8..6a9b791 100644
--- a/tbb.spec
+++ b/tbb.spec
@@ -1,7 +1,7 @@
 Name:    tbb
 Summary: The Threading Building Blocks library abstracts low-level threading details
 Version: 2020.3
-Release: 19%{?dist}
+Release: 20%{?dist}
 License: ASL 2.0
 URL:     http://threadingbuildingblocks.org/
 
@@ -214,6 +214,9 @@ cmake \
 %{python3_sitearch}/__pycache__/TBB*
 
 %changelog
+* Sat Jul 22 2023 Fedora Release Engineering <releng@fedoraproject.org> - 2020.3-20
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
+
 * Wed Jun 28 2023 Python Maint <python-maint@redhat.com> - 2020.3-19
 - Rebuilt for Python 3.12