diff --git a/packages/irmin-server/irmin-server.3.9.0/opam b/packages/irmin-server/irmin-server.3.9.0/opam
index e28f8e50164..a375f33043d 100644
--- a/packages/irmin-server/irmin-server.3.9.0/opam
+++ b/packages/irmin-server/irmin-server.3.9.0/opam
@@ -25,6 +25,7 @@ depends: [
   "digestif" {>= "1.1.4"}
   "alcotest-lwt" {>= "1.7.0" & with-test}
   "irmin-watcher" {>= "0.5.0" & with-test}
+  "irmin-test"    {with-test & = version}
 ]
 
 build: [