diff --git a/ast_gen.opam b/ast_gen.opam
index 9b0a748..7b43d6b 100644
--- a/ast_gen.opam
+++ b/ast_gen.opam
@@ -15,6 +15,8 @@ depends: [
   "flow_parser" {>= "0.229.1"}
   "cmdliner"
   "yojson"
+  "ocamlgraph"
+  "ppx_import"
   "odoc" {with-doc}
 ]
 build: [
diff --git a/dune-project b/dune-project
index 4f6d217..b028385 100644
--- a/dune-project
+++ b/dune-project
@@ -21,7 +21,14 @@
  (name ast_gen)
  (synopsis "A short synopsis")
  (description "A longer description")
- (depends ocaml dune (flow_parser (>= "0.229.1")) cmdliner yojson)
+ (depends
+  ocaml
+  dune
+  (flow_parser (>= "0.229.1"))
+  cmdliner
+  yojson
+  ocamlgraph
+  ppx_import)
  (tags
   (topics "to describe" your project)))