diff --git a/shell.nix b/shell.nix
index ebe7263..4eb367f 100644
--- a/shell.nix
+++ b/shell.nix
@@ -19,6 +19,7 @@ haskellPackages.developPackage {
             hpack
             ghcid
             cabal-fmt
+            hoogle
           ]
         );
       addExtraLibraries = drv: haskell.lib.addExtraLibraries drv [ zlib ];