diff --git a/api.opam b/api.opam
index ab7cba2..8cc309a 100644
--- a/api.opam
+++ b/api.opam
@@ -12,6 +12,8 @@ bug-reports: "https://github.com/username/reponame/issues"
 depends: [
   "dune" {>= "3.18"}
   "ocaml"
+  "ppx_deriving_yojson"
+  "ppx_yojson_conv"
   "odoc" {with-doc}
 ]
 build: [
diff --git a/dune-project b/dune-project
index c3ef2ac..b063edf 100644
--- a/dune-project
+++ b/dune-project
@@ -21,7 +21,7 @@
  (description "A longer description")
  (depends 
    ocaml
-   ppx_deriving_yojson.runtime
+   ppx_deriving_yojson
    ppx_yojson_conv)
  (tags
   ("add topics" "to describe" your project)))