diff --git a/libcxxabi.spec b/libcxxabi.spec
index 0cf3b75..aeea177 100644
--- a/libcxxabi.spec
+++ b/libcxxabi.spec
@@ -1,5 +1,5 @@
 #%%global rc_ver 6
-%global baserelease 3
+%global baserelease 4
 %global libcxxabi_srcdir libcxxabi-%{version}%{?rc_ver:rc%{rc_ver}}.src
 
 
@@ -102,6 +102,10 @@ cp -a include/* %{buildroot}%{_includedir}
 %{_libdir}/libc++abi.a
 
 %changelog
+* Sat Aug 01 2020 Fedora Release Engineering <releng@fedoraproject.org> - 10.0.0-4
+- Second attempt - Rebuilt for
+  https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
 * Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 10.0.0-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild