diff --git a/configs/packages/haskell/packages.nix b/configs/packages/haskell/packages.nix
index 39f0cae..56cca83 100644
--- a/configs/packages/haskell/packages.nix
+++ b/configs/packages/haskell/packages.nix
@@ -65,7 +65,9 @@ with haskellPackages; [
   persistent
   pipes
   pointed
+  pretty
   pretty-show
+  prettyprinter
   primitive
   process
   profunctors