diff --git a/ocaml-biniou.spec b/ocaml-biniou.spec
index 5635a92..f5f5906 100644
--- a/ocaml-biniou.spec
+++ b/ocaml-biniou.spec
@@ -5,7 +5,7 @@
 
 Name:           ocaml-biniou
 Version:        1.0.9
-Release:        26%{?dist}
+Release:        27%{?dist}
 Summary:        Safe and fast binary data format
 
 License:        BSD
@@ -107,6 +107,9 @@ make test
 
 
 %changelog
+* Fri Nov 17 2017 Richard W.M. Jones <rjones@redhat.com> - 1.0.9-27
+- OCaml 4.06.0 rebuild.
+
 * Tue Aug 08 2017 Richard W.M. Jones <rjones@redhat.com> - 1.0.9-26
 - OCaml 4.05.0 rebuild.