diff --git a/tycho.spec b/tycho.spec
index 023bfe8..809bede 100644
--- a/tycho.spec
+++ b/tycho.spec
@@ -28,7 +28,7 @@
 
 Name:           tycho
 Version:        2.1.0
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Plugins and extensions for building Eclipse plugins and OSGI bundles with Maven
 
 # license file is missing but all files having some licensing information are ASL 2.0
@@ -441,6 +441,9 @@ ln -s %{_javadir}/tycho/org.fedoraproject.p2.jar %{buildroot}%{xmvn_libdir}/inst
 %files javadoc -f .mfiles-javadoc
 
 %changelog
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 2.1.0-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Thu Jan 14 2021 Mat Booth <mat.booth@redhat.com> - 2.1.0-3
 - Enable bootstrap mode
 - Update fp-p2 snapshot to fix xmvn installation failure