diff --git a/sugar-view-slides.spec b/sugar-view-slides.spec
index 4ef7fed..774137d 100644
--- a/sugar-view-slides.spec
+++ b/sugar-view-slides.spec
@@ -4,7 +4,7 @@
 
 Name:           sugar-view-slides
 Version:        8
-Release:        20%{?dist}
+Release:        21%{?dist}
 Summary:        Image serie viewer for Sugar
 
 License:        GPLv3+
@@ -55,6 +55,9 @@ sed -i 's/python/python2/' *.py
 
 
 %changelog
+* Sat Jul 27 2019 Fedora Release Engineering <releng@fedoraproject.org> - 8-21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Sun Feb 03 2019 Fedora Release Engineering <releng@fedoraproject.org> - 8-20
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild