diff --git a/api.opam b/api.opam
index cea7e74..d906f9e 100644
--- a/api.opam
+++ b/api.opam
@@ -14,6 +14,7 @@ depends: [
   "ocaml"
   "ppx_deriving_yojson"
   "cohttp-curl-lwt"
+  "lwt_ppx"
   "cohttp-lwt-unix"
   "lwt_ssl"
   "ppx_expect"
diff --git a/dune-project b/dune-project
index 36cdbce..5ffeaec 100644
--- a/dune-project
+++ b/dune-project
@@ -23,6 +23,7 @@
     ocaml
     ppx_deriving_yojson
     cohttp-curl-lwt
+    lwt_ppx
     cohttp-lwt-unix
     lwt_ssl
     ppx_expect