diff --git a/albatross.opam b/albatross.opam
index 4e71ed4..74d1ac9 100644
--- a/albatross.opam
+++ b/albatross.opam
@@ -10,6 +10,7 @@ depends: [
   "ocaml" {>= "4.08.0"}
   "dune"
   "dune-configurator"
+  "conf-pkg-config" {build}
   "lwt" {>= "3.0.0"}
   "ipaddr" {>= "4.0.0"}
   "hex"