diff --git a/antlr3.spec b/antlr3.spec
index 08a7569..111483c 100644
--- a/antlr3.spec
+++ b/antlr3.spec
@@ -1,7 +1,7 @@
 %global antlr_version 3.5.2
 %global c_runtime_version 3.4
 %global javascript_runtime_version 3.1
-%global baserelease 20
+%global baserelease 21
 
 Summary:            ANother Tool for Language Recognition
 Name:               antlr3
@@ -263,6 +263,9 @@ install -pm 644 runtime/Cpp/include/* $RPM_BUILD_ROOT/%{_includedir}/
 %doc tool/LICENSE.txt
 
 %changelog
+* Thu Jan 31 2019 Fedora Release Engineering <releng@fedoraproject.org> - 1:3.5.2-21
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
+
 * Thu Aug 30 2018 Severin Gehwolf <sgehwolf@redhat.com> - 1:3.5.2-20
 - Explicit requires for javapackages-tools since antlr3 script uses
   java-functions. See RHBZ#1600426.