diff --git a/flake.nix b/flake.nix
index 4915f6b..d873aac 100644
--- a/flake.nix
+++ b/flake.nix
@@ -18,7 +18,7 @@
       default = pkgs.mkShell {
         packages = with pkgs;
           [python311 virtualenv]
-          ++ (with pkgs.python311Packages; [pip requests jupyter pandas numpy matplotlib plotnine]);
+          ++ (with pkgs.python311Packages; [pip requests jupyter pandas numpy matplotlib plotnine polars pyarrow]);
       };
     });
   };