diff --git a/dune-project b/dune-project
index d384210db5f05a4ea79478d7f21c35800c9862dc..7a8427c4372f428b3acee3735b4b1cb6a4745be0 100644
--- a/dune-project
+++ b/dune-project
@@ -44,6 +44,8 @@
    yojson
    ppx_deriving_yojson
    dune-site
+   (re :with-test)
+   (yojson :with-test)
    (conf-mpfr :with-test)
    (conf-cmake :with-test)
    (conf-openjdk :with-test)