diff --git a/R-affyio.spec b/R-affyio.spec
index d5f6163..730289d 100644
--- a/R-affyio.spec
+++ b/R-affyio.spec
@@ -3,7 +3,7 @@
 
 Name:             R-%{packname}
 Version:          1.50.0
-Release:          3%{dist}
+Release:          4%{dist}
 Summary:          Tools for parsing Affymetrix data files
 Summary(fr):      Outils d'analyse de fichier de données de puces affymetrix
 
@@ -57,6 +57,9 @@ rm -rf %{buildroot}%{_libdir}/R/library/R.css
 %{_libdir}/R/library/%{packname}/libs
 
 %changelog
+* Wed Jul 24 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.50.0-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Thu Jan 31 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1.50.0-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild