diff --git a/Singular.spec b/Singular.spec
index 21debf6..dbb9744 100644
--- a/Singular.spec
+++ b/Singular.spec
@@ -19,7 +19,7 @@
 
 Name:		Singular
 Version:	%{downstreamver}%{?patchver}
-Release:	22%{?dist}
+Release:	23%{?dist}
 Summary:	Computer Algebra System for polynomial computations
 # License analysis:
 # - factory/readcf.cc, Singular/grammar.cc, and Singular/grammar.h are
@@ -467,6 +467,9 @@ make check
 
 
 %changelog
+* Mon Jan 25 2021 Fedora Release Engineering <releng@fedoraproject.org> - 4.1.1p3-23
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Thu Dec 17 2020 Jerry James <loganjerry@gmail.com> - 4.1.1p3-22
 - Rebuild for polymake 4.3