diff --git a/ocaml-camomile.spec b/ocaml-camomile.spec
index 87b0f02..f87223d 100644
--- a/ocaml-camomile.spec
+++ b/ocaml-camomile.spec
@@ -62,11 +62,11 @@ applications that use %{name}.
 ulimit -Hs 65536
 ulimit -Ss 65536
 %endif
-jbuilder build --verbose --profile release
+dune build --verbose --profile release
 
 
 %install
-jbuilder install \
+dune install \
          --destdir=%{buildroot} \
          --libdir=%{_libdir}/ocaml \
          --verbose \
@@ -117,6 +117,7 @@ cp _build/install/default/lib/camomile/library/*.mli %{buildroot}%{_libdir}/ocam
 %changelog
 * Sun Jan 19 2020 Richard W.M. Jones <rjones@redhat.com> - 1.0.2-5
 - OCaml 4.10.0+beta1 rebuild.
+- Use dune instead of jbuilder.
 
 * Fri Dec 06 2019 Richard W.M. Jones <rjones@redhat.com> - 1.0.2-4
 - OCaml 4.09.0 (final) rebuild.