1 files changed, 1 insertions, 1 deletions

diff --git a/shell.nix b/shell.nix
index 27b7d06..7afbfab 100644
--- a/shell.nix
+++ b/shell.nix
@@ -10,7 +10,7 @@ let
   drv = haskellPackages.callPackage ./postdelay.nix {};
 in
   pkgs.stdenv.lib.overrideDerivation drv.env (oldAttrs: {
-    buildInputs = oldAttrs.buildInputs ++ (with pkgs; [ cabal2nix gup ]);
+    buildInputs = oldAttrs.buildInputs ++ (with pkgs; [ cabal2nix gup haskellPackages.hlint ]);
     shellHook = ''
       ${oldAttrs.shellHook}
       export PROMPT_INFO="${oldAttrs.name}"