1 files changed, 1 insertions, 0 deletions
diff --git a/default.nix b/default.nix
index 3dd24bac4..af2a13a84 100644
--- a/default.nix
+++ b/default.nix
@@ -36,6 +36,7 @@ stdenv.mkDerivation rec {
     ocaml
     findlib
     camlp5_strict
+    num
 
   ]) ++ (if buildIde then [