diff --git a/nats-client.opam b/nats-client.opam
index d248ab7..a95af22 100644
--- a/nats-client.opam
+++ b/nats-client.opam
@@ -14,6 +14,7 @@ depends: [
   "lwt"
   "yojson"
   "lwt_ppx"
+  "alcotest"
   "odoc" {with-doc}
 ]
 build: [