diff --git a/jupyter/flake.nix b/jupyter/flake.nix
index ad83ceb..9d69cde 100644
--- a/jupyter/flake.nix
+++ b/jupyter/flake.nix
@@ -18,7 +18,7 @@
       default = pkgs.mkShell {
         packages = with pkgs;
           [python311 jupyter virtualenv]
-          ++ (with pkgs.python312Packages; [pip jupyter pandas numpy matplotlib]);
+          ++ (with pkgs.python311Packages; [pip jupyter pandas numpy matplotlib]);
       };
     });
   };