diff --git a/jupyter/flake.lock b/jupyter/flake.lock
index 2c85ae7..f592509 100644
--- a/jupyter/flake.lock
+++ b/jupyter/flake.lock
@@ -5,11 +5,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
         "type": "github"
       },
       "original": {
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1717144377,
-        "narHash": "sha256-F/TKWETwB5RaR8owkPPi+SPJh83AQsm6KrQAlJ8v/uA=",
+        "lastModified": 1731858824,
+        "narHash": "sha256-0KhJ6SOyWjx408tsgcoVQFx9nEn55DwrhFbCE49Oyac=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "805a384895c696f802a9bf5bf4720f37385df547",
+        "rev": "7937932921ea34c51c1b586e2505574f6f0be5a7",
         "type": "github"
       },
       "original": {
diff --git a/jupyter/flake.nix b/jupyter/flake.nix
index 08a93b6..f015559 100644
--- a/jupyter/flake.nix
+++ b/jupyter/flake.nix
@@ -8,7 +8,7 @@
   outputs = { self, nixpkgs, flake-utils }:
     flake-utils.lib.eachDefaultSystem (sys:
       let pkgs = import nixpkgs { system = sys; };
-          python = pkgs.python310;
+          python = pkgs.python311;
 
           latex = pkgs.texlive.combine {
             inherit (pkgs.texlive)
@@ -28,36 +28,21 @@
             '';
           };
 
-          jupyter-ihaskell = python.pkgs.buildPythonPackage rec {
-            name = "jupyter-ihaskell";
-            format = "other";
-
-            unpackPhase = ": 3"; # we don't have any sources
-
-            nativeBuildInputs = [ (python.withPackages (ps: with ps; [ jupyter jupyter-core ])) ];
-
-            # for some reason, ihaskell wants to create $HOME/.ihaskell
-            # we set $HOME to $out, and then remove the .ihaskell file
-            installPhase = ''
-              mkdir -p $out
-              HOME=$out ${pkgs.ihaskell}/bin/ihaskell install --prefix=$out
-              rm -rf $out/.ihaskell
-            '';
-          };
-
           python-environment = (python.withPackages (ps: with ps; [
-            ipympl numpy matplotlib scipy
+            ipympl numpy matplotlib scipy cvxpy
 
             jupyter-core jupyter
-            jupyter-config jupyter-ihaskell
+            jupyter-config
           ]));
       in rec {
         packages.latex = latex;
         packages.python-environment = python-environment;
 
-        packages.default = pkgs.writeScriptBin "start-notebook" ''
-          env PATH=$PATH:${latex}/bin:${pkgs.pandoc}/bin ${python-environment}/bin/jupyter-notebook
-        '';
+        packages.default = pkgs.writeShellApplication {
+          name = "start-notebook";
+          runtimeInputs = [latex pkgs.pandoc python-environment ];
+          text = "${python-environment}/bin/jupyter-notebook";
+        };
 
         devShells.default = pkgs.mkShell {
           packages = [ python-environment latex ];