diff --git a/ocaml-mysql.spec b/ocaml-mysql.spec
index 1623ca6..42a806c 100644
--- a/ocaml-mysql.spec
+++ b/ocaml-mysql.spec
@@ -2,7 +2,7 @@
 
 Name:           ocaml-mysql
 Version:        1.2.1
-Release:        8%{?dist}
+Release:        9%{?dist}
 Summary:        OCaml library for accessing MySQL databases
 License:        LGPLv2+ with exceptions
 
@@ -86,6 +86,9 @@ make install
 
 
 %changelog
+* Tue Aug 08 2017 Richard W.M. Jones <rjones@redhat.com> - 1.2.1-9
+- OCaml 4.05.0 rebuild.
+
 * Thu Aug 03 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.2.1-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild