diff --git a/ocaml-calendar.spec b/ocaml-calendar.spec
index 6e148f3..d575b41 100644
--- a/ocaml-calendar.spec
+++ b/ocaml-calendar.spec
@@ -4,7 +4,7 @@
 
 Name:           ocaml-calendar
 Version:        2.04
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        Objective Caml library for managing dates and times
 License:        LGPLv2
 
@@ -77,6 +77,9 @@ make install
 
 
 %changelog
+* Wed Nov 09 2016 Dan Horák <dan@danny.cz> - 2.04-6
+- rebuild for s390x codegen bug
+
 * Fri Nov 04 2016 Richard W.M. Jones <rjones@redhat.com> - 2.04-5
 - Rebuild for OCaml 4.04.0.