diff --git a/shenvs/anpi.nix b/shenvs/anpi.nix
index e442b2b..c3c2a6e 100644
--- a/shenvs/anpi.nix
+++ b/shenvs/anpi.nix
@@ -10,5 +10,6 @@ pkgs: {
 	sympy
 	matplotlib
     ]))
+    ghc
   ];
 }