diff --git a/SPECS/ocaml-libvirt.spec b/SPECS/ocaml-libvirt.spec
index 368b199..2383a1f 100644
--- a/SPECS/ocaml-libvirt.spec
+++ b/SPECS/ocaml-libvirt.spec
@@ -2,14 +2,14 @@
 
 Name:           ocaml-libvirt
 Version:        0.6.1.4
-Release:        15%{?dist}
+Release:        17%{?dist}
 Summary:        OCaml binding for libvirt
 License:        LGPLv2+
 
 URL:            http://libvirt.org/ocaml/
 Source0:        http://libvirt.org/sources/ocaml/%{name}-%{version}.tar.gz
 
-ExcludeArch:    s390 s390x
+ExcludeArch:    s390
 
 # Upstream patch to fix int types.
 Patch1:         0001-Use-C99-standard-int64_t-instead-of-OCaml-defined-an.patch
@@ -124,6 +124,14 @@ make install-byte
 
 
 %changelog
+* Sat Sep 23 2017 Richard W.M. Jones <rjones@redhat.com> - 0.6.1.4-17
+- Remove ExcludeArch and build on s390x.
+  related: rhbz#1447986
+
+* Fri Sep 22 2017 Richard W.M. Jones <rjones@redhat.com> - 0.6.1.4-16
+- Rebuild for OCaml 4.05
+  resolves: rhbz#1447986
+
 * Wed Mar 29 2017 Richard W.M. Jones <rjones@redhat.com> - 0.6.1.4-15
 - Include all changes from Fedora Rawhide
   resolves: rhbz#1390171