1 files changed, 2 insertions, 1 deletions

diff --git a/lib/dune b/lib/dune
index 957188c..6f37f9d 100644
--- a/lib/dune
+++ b/lib/dune
@@ -2,4 +2,5 @@
  (public_name flesh)
  (libraries
    lwt
-   portal))
+   portal)
+ (preprocess (pps ppx_deriving.show)))