diff --git a/dovecot.spec b/dovecot.spec
index 57a2226..345dc45 100644
--- a/dovecot.spec
+++ b/dovecot.spec
@@ -5,7 +5,7 @@ Name: dovecot
 Epoch: 1
 Version: 2.2.33.2
 %global prever %{nil}
-Release: 3%{?dist}
+Release: 4%{?dist}
 #dovecot itself is MIT, a few sources are PD, pigeonhole is LGPLv2
 License: MIT and LGPLv2
 Group: System Environment/Daemons
@@ -496,6 +496,9 @@ make check
 %{_libdir}/%{name}/dict/libdriver_pgsql.so
 
 %changelog
+* Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1:2.2.33.2-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
+
 * Sat Jan 20 2018 Björn Esser <besser82@fedoraproject.org> - 1:2.2.33.2-3
 - Rebuilt for switch to libxcrypt