1 files changed, 2 insertions, 1 deletions
diff --git a/src/dune b/src/dune
index c565d9fa..ec9f2d2b 100644
--- a/src/dune
+++ b/src/dune
@@ -1,6 +1,7 @@
 (executable
  (name main)
- (libraries yojson zarith easy_logging))
+ (preprocess (pps ppx_deriving.show ppx_deriving.ord))
+ (libraries ppx_deriving yojson zarith easy_logging))
 
 (env
   (dev (flags