diff --git a/dune-project b/dune-project
index 10c48ea..63dd254 100644
--- a/dune-project
+++ b/dune-project
@@ -1,6 +1,7 @@
 (lang dune 2.7)
 
 (name ssl)
+(version 0.7.0)
 
 (generate_opam_files true)
 
@@ -23,6 +24,7 @@
  (depends
   (ocaml
    (>= "4.03.0"))
+  (ocaml (and :with_test (>= "4.08.0")))
   dune-configurator
   conf-libssl
   (alcotest :with-test)
diff --git a/ssl.opam b/ssl.opam
index 9e8dea0..2dff1b0 100644
--- a/ssl.opam
+++ b/ssl.opam
@@ -10,7 +10,7 @@ bug-reports: "https://github.com/savonet/ocaml-ssl/issues"
 depends: [
   "dune" {>= "2.7"}
   "ocaml" {>= "4.03.0"}
-  "ocaml" {with-test & >= "4.08.0"}
+  "ocaml" {with_test & >= "4.08.0"}
   "dune-configurator"
   "conf-libssl"
   "alcotest" {with-test}