diff --git a/cppad.spec b/cppad.spec
index 5036b08..d0d604b 100644
--- a/cppad.spec
+++ b/cppad.spec
@@ -13,7 +13,7 @@
 # https://fedoraproject.org/wiki/Packaging:Versioning
 Name: cppad
 Version: %{yyyymmdd}.0
-Release: 3%{?dist}
+Release: 4%{?dist}
 Summary: C++ Algorithmic Differentiation (AD), %{name}-devel and %{name}-doc
 
 # As of yet there is no debug version installed for cppad_lib.
@@ -217,6 +217,9 @@ make check
 
 # ----------------------------------------------------------------------------
 %changelog
+* Mon Jul 27 2020 Fedora Release Engineering <releng@fedoraproject.org> - 20200000.0-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Tue Jan 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 20200000.0-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild