diff --git a/ocaml-dose3.spec b/ocaml-dose3.spec
index 28553cb..6b5058e 100644
--- a/ocaml-dose3.spec
+++ b/ocaml-dose3.spec
@@ -8,7 +8,7 @@
 
 Name:           ocaml-dose3
 Version:        5.0.1
-Release:        29.20180821git%{shortcommit0}%{?dist}
+Release:        30.20180821git%{shortcommit0}%{?dist}
 Summary:        Framework for managing distribution packages and dependencies
 
 %global libname %(echo %{name} | sed -e 's/^ocaml-//')
@@ -29,7 +29,8 @@ Patch1:        ocaml-dose3-makefile-debug.patch
 
 # Use ounit2.
 Patch2:         dose-2c1b8df-ounit2.patch
-BuildRequires: make
+
+BuildRequires:  make
 BuildRequires:  autoconf, automake
 
 BuildRequires:  ocaml
@@ -178,6 +179,9 @@ ln -s %{_bindir}/distcheck %{buildroot}%{_bindir}/eclipsecheck
 %{_mandir}/man8/*.8*
 
 %changelog
+* Wed Jan 20 2021 Richard W.M. Jones <rjones@redhat.com> - 5.0.1-30.20180821git2c1b8df
+- Rebuild for new ocaml-extlib.
+
 * Tue Sep 01 2020 Richard W.M. Jones <rjones@redhat.com> - 5.0.1-29.20180821git2c1b8df
 - OCaml 4.11.1 rebuild