diff --git a/libpng.spec b/libpng.spec
index 9ad2c5e..49eb49f 100644
--- a/libpng.spec
+++ b/libpng.spec
@@ -4,7 +4,7 @@ Summary:       A library of functions for manipulating PNG image format files
 Name:          libpng
 Epoch:         2
 Version:       1.6.37
-Release:       14%{?dist}
+Release:       15%{?dist}
 License:       zlib
 URL:           http://www.libpng.org/pub/png/
 
@@ -104,6 +104,9 @@ make check
 %{_bindir}/pngfix
 
 %changelog
+* Thu Jul 20 2023 Fedora Release Engineering <releng@fedoraproject.org> - 2:1.6.37-15
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
+
 * Thu Jan 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 2:1.6.37-14
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild