diff --git a/cfitsio.spec b/cfitsio.spec
index 5f68f29..6d3c5bb 100644
--- a/cfitsio.spec
+++ b/cfitsio.spec
@@ -1,6 +1,6 @@
 Name: cfitsio
 Version: 3.450
-Release: 3%{?dist}
+Release: 4%{?dist}
 Summary: Library for manipulating FITS data files
 
 License: MIT
@@ -137,6 +137,9 @@ chmod 755 %{buildroot}%{_bindir}/f{,un}pack
 %{_bindir}/funpack
 
 %changelog
+* Wed Jul 24 2019 Fedora Release Engineering <releng@fedoraproject.org> - 3.450-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
+
 * Thu Jan 31 2019 Fedora Release Engineering <releng@fedoraproject.org> - 3.450-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild