1 files changed, 1 insertions, 0 deletions
diff --git a/flesh.opam b/flesh.opam
index 9f25fdf..a3597b1 100644
--- a/flesh.opam
+++ b/flesh.opam
@@ -13,6 +13,7 @@ depends: [
   "ocaml"
   "dune" {>= "3.11"}
   "lwt"
+  "ppx_deriving"
   "js_of_ocaml-compiler" {with-test}
   "merlin" {with-test}
   "utop" {with-test}