diff --git a/dune-project b/dune-project
index 0f516f4..76018be 100644
--- a/dune-project
+++ b/dune-project
@@ -1,4 +1,4 @@
-(lang dune 2.0)
+(lang dune 2.7)
 (name ocaml-google-apps)
 (license "undecided")
 (maintainers ["Matthieu Dubuget <matthieu.dubuget@gmail.com>"])
@@ -10,7 +10,7 @@
 (generate_opam_files true)
 (package
   (name ocaml-google-apps)
-(synopsis "OCaml binding to Google Apps")
-(description "")
-(depends "gen_js_api")
+  (synopsis "OCaml binding to Google Apps")
+  (description "")
+  (depends "gen_js_api")
 )
diff --git a/ocaml-google-apps.opam b/ocaml-google-apps.opam
index cf67174..b39a9dc 100644
--- a/ocaml-google-apps.opam
+++ b/ocaml-google-apps.opam
@@ -9,11 +9,12 @@ homepage: "https://dubuget.fr/gitea/matthieu/ocaml-google-app"
 doc: "https://dubuget.fr/gitea/matthieu/ocaml-google-app"
 bug-reports: "https://dubuget.fr/gitea/matthieu/ocaml-google-app"
 depends: [
-  "dune" {>= "2.0"}
+  "dune" {>= "2.7"}
   "gen_js_api"
+  "odoc" {with-doc}
 ]
 build: [
-  ["dune" "subst"] {pinned}
+  ["dune" "subst"] {dev}
   [
     "dune"
     "build"