diff --git a/webmachine-examples.opam b/webmachine-examples.opam
index 201034e..bebadaa 100644
--- a/webmachine-examples.opam
+++ b/webmachine-examples.opam
@@ -16,5 +16,7 @@ depends: [
   "cohttp-async"
   "lwt"
   "cohttp-lwt-unix"
+  "ounit" {with-test & >= "1.0.2"}
+  "dune" {>= "1.0"}
 ]
 synopsis: "Webmachine examples"
diff --git a/webmachine.opam b/webmachine.opam
index a88ba39..3570038 100644
--- a/webmachine.opam
+++ b/webmachine.opam
@@ -18,6 +18,7 @@ depends: [
   "ounit" {with-test & >= "1.0.2"}
   "js_of_ocaml" {with-test}
   "re" {>= "1.7.2"}
+  "uri" {>= "2.0.0"}
 ]
 synopsis: "A REST toolkit for OCaml"
 description: """