diff --git a/opencv.spec b/opencv.spec
index ad420bd..06f7cd8 100644
--- a/opencv.spec
+++ b/opencv.spec
@@ -70,7 +70,7 @@ Version:        4.8.1
 %global minorver %(foo=%{version}; a=(${foo//./ }); echo ${a[1]} )
 %global padding  %(digits=00; num=%{minorver}; echo ${digits:${#num}:${#digits}} )
 %global abiver   %(echo %{majorver}%{padding}%{minorver} )
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        Collection of algorithms for computer vision
 # This is normal three clause BSD.
 License:        BSD-3-Clause and Apache-2.0 and ISC
@@ -568,6 +568,9 @@ ln -s -r %{buildroot}%{_jnidir}/opencv-%{javaver}.jar %{buildroot}%{_jnidir}/ope
 
 
 %changelog
+* Sun Jan 21 2024 Fedora Release Engineering <releng@fedoraproject.org> - 4.8.1-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
+
 * Wed Jan 17 2024 Jonathan Wakely <jwakely@redhat.com> - 4.8.1-5
 - Rebuilt for TBB 2021.11