diff --git a/ocaml-tplib.spec b/ocaml-tplib.spec
index 0220d46..af472f0 100644
--- a/ocaml-tplib.spec
+++ b/ocaml-tplib.spec
@@ -2,7 +2,7 @@
 
 Name:           ocaml-tplib
 Version:        1.3
-Release:        22%{?dist}
+Release:        23%{?dist}
 Summary:        Tropical Polyhedra Library
 
 License:        LGPLv2+
@@ -104,6 +104,9 @@ _build/tests/test_tplib_rational
 %doc %{_mandir}/man1/*
 
 %changelog
+* Wed Nov 09 2016 Dan Horák <dan@danny.cz> - 1.3-23
+- rebuild for s390x codegen bug
+
 * Mon Nov 07 2016 Richard W.M. Jones <rjones@redhat.com> - 1.3-22
 - Rebuild for OCaml 4.04.0.
 - Add explicit dependency on ocamlbuild.