diff --git a/ocaml-tplib.spec b/ocaml-tplib.spec
index 01c45ac..d6c5518 100644
--- a/ocaml-tplib.spec
+++ b/ocaml-tplib.spec
@@ -1,6 +1,6 @@
 Name:           ocaml-tplib
 Version:        1.3
-Release:        58%{?dist}
+Release:        59%{?dist}
 Summary:        Tropical Polyhedra Library
 
 License:        LGPLv2+
@@ -123,6 +123,9 @@ _build/tests/test_tplib_rational
 %doc %{_mandir}/man1/*
 
 %changelog
+* Wed Mar  3 2021 Jerry James <loganjerry@gmail.com> - 1.3-59
+- Rebuild for ocaml-zarith 1.12
+
 * Wed Feb 17 2021 Jerry James <loganjerry@gmail.com> - 1.3-58
 - Bump and rebuild for updated ocaml Dynlink dependency