diff --git a/atlas.spec b/atlas.spec
index 0073984..08c2767 100644
--- a/atlas.spec
+++ b/atlas.spec
@@ -5,7 +5,7 @@ Version:        3.10.3
 %if "%{?enable_native_atlas}" != "0"
 %define dist .native
 %endif
-Release:        11%{?dist}
+Release:        12%{?dist}
 Summary:        Automatically Tuned Linear Algebra Software
 
 License:        BSD
@@ -696,6 +696,9 @@ fi
 %endif
 
 %changelog
+* Mon Jul 27 2020 Fedora Release Engineering <releng@fedoraproject.org> - 3.10.3-12
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Thu Feb 13 2020 Jakub Martisko <jamartis@redhat.com> - 3.10.3-11
 - Drop IBM z10 and z196 subpackages
 - s390 is now optimized for z12