diff --git a/packages/rusage/rusage.1.0.0/opam b/packages/rusage/rusage.1.0.0/opam
index c8b563c29cc..813784bb32b 100644
--- a/packages/rusage/rusage.1.0.0/opam
+++ b/packages/rusage/rusage.1.0.0/opam
@@ -7,8 +7,10 @@ homepage: "https://github.com/CraigFe/ocaml-rusage"
 doc: "https://CraigFe.github.io/ocaml-rusage/"
 bug-reports: "https://github.com/CraigFe/ocaml-rusage/issues"
 depends: [
+  "ocaml"
   "dune" {>= "2.0"}
 ]
+license: "MIT"
 build: [
   ["dune" "subst"] {dev}
   [