1 files changed, 2 insertions, 2 deletions

diff --git a/shell.nix b/shell.nix
index f0a69b4..55efcc5 100644
--- a/shell.nix
+++ b/shell.nix
@@ -5,13 +5,13 @@
 let
   thermoprintPackages = builtins.attrValues (import ./default.nix {});
   ghc = haskellPackages.ghcWithPackages
-    (ps: thermoprintPackages ++ utilities ps ++ testDeps ps);
+    (ps: utilities ps ++ testDeps ps);
   utilities = (ps: with ps; [ hlint cabal2nix ]);
   testDeps = (ps: with ps; [ temporary hspec ]);
 in
 pkgs.stdenv.mkDerivation rec {
   name = "thermoprint-env";
-  buildInputs = [ ghc ];
+  buildInputs = (with pkgs; [ gup ]) ++ [ ghc ];
   shellHook = ''
     eval $(egrep ^export ${ghc}/bin/ghc)
     export PROMPT_INFO="${name}"