diff --git a/ocaml-cudf.spec b/ocaml-cudf.spec
index b9c5639..385a6bc 100644
--- a/ocaml-cudf.spec
+++ b/ocaml-cudf.spec
@@ -3,7 +3,7 @@
 
 Name:           ocaml-cudf
 Version:        0.9
-Release:        24%{?dist}
+Release:        25%{?dist}
 Summary:        Format for describing upgrade scenarios
 
 %global libname %(echo %{name} | sed -e 's/^ocaml-//')
@@ -17,7 +17,7 @@ Source0:        https://gforge.inria.fr/frs/download.php/file/36602/cudf-0.9.tar
 %global _default_patch_fuzz 2
 Patch1:         cudf-0.9-ounit2.patch
 
-BuildRequires: make
+BuildRequires:  make
 BuildRequires:  ocaml
 BuildRequires:  ocaml-ocamlbuild
 BuildRequires:  ocaml-ocamldoc
@@ -112,6 +112,9 @@ make test
 
 
 %changelog
+* Wed Jan 20 2021 Richard W.M. Jones <rjones@redhat.com> - 0.9-25
+- Rebuild for new ocaml-extlib.
+
 * Tue Sep 01 2020 Richard W.M. Jones <rjones@redhat.com> - 0.9-24
 - OCaml 4.11.1 rebuild