diff --git a/flake.lock b/flake.lock
index 007ca10..038f4da 100644
--- a/flake.lock
+++ b/flake.lock
@@ -389,6 +389,24 @@
       "inputs": {
         "systems": "systems_10"
       },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_8": {
+      "inputs": {
+        "systems": "systems_11"
+      },
       "locked": {
         "lastModified": 1710146030,
         "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
@@ -403,9 +421,9 @@
         "type": "github"
       }
     },
-    "flake-utils_8": {
+    "flake-utils_9": {
       "inputs": {
-        "systems": "systems_11"
+        "systems": "systems_12"
       },
       "locked": {
         "lastModified": 1710146030,
@@ -837,6 +855,22 @@
       }
     },
     "nixpkgs_5": {
+      "locked": {
+        "lastModified": 1767379071,
+        "narHash": "sha256-EgE0pxsrW9jp9YFMkHL9JMXxcqi/OoumPJYwf+Okucw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "fb7944c166a3b630f177938e478f0378e64ce108",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_6": {
       "locked": {
         "lastModified": 1722062969,
         "narHash": "sha256-QOS0ykELUmPbrrUGmegAUlpmUFznDQeR4q7rFhl8eQg=",
@@ -852,7 +886,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_6": {
+    "nixpkgs_7": {
       "locked": {
         "lastModified": 1710377395,
         "narHash": "sha256-KMubsUWtVr7L55pXMBibBDBdmk3xrjbBPduc0E8z28c=",
@@ -967,6 +1001,25 @@
         "type": "github"
       }
     },
+    "pipethon": {
+      "inputs": {
+        "flake-utils": "flake-utils_7",
+        "nixpkgs": "nixpkgs_5"
+      },
+      "locked": {
+        "lastModified": 1767620081,
+        "narHash": "sha256-dUV88Imqgv0qsLbHUoDinzm+JAfSNKxfkozwBO8BqsQ=",
+        "ref": "refs/heads/main",
+        "rev": "290582a3463260181697a1e9f7cf9e490f8e8ed6",
+        "revCount": 2,
+        "type": "git",
+        "url": "ssh://forgejo@git.donsz.nl/jana/pipethon.git"
+      },
+      "original": {
+        "type": "git",
+        "url": "ssh://forgejo@git.donsz.nl/jana/pipethon.git"
+      }
+    },
     "ragenix": {
       "inputs": {
         "agenix": "agenix",
@@ -1030,12 +1083,12 @@
       "inputs": {
         "agenix": "agenix_2",
         "darwin": "darwin_2",
-        "flake-utils": "flake-utils_7",
+        "flake-utils": "flake-utils_8",
         "home-manager": "home-manager_4",
         "impermanence": "impermanence",
         "nix-index-database": "nix-index-database_2",
         "nixos-hardware": "nixos-hardware_2",
-        "nixpkgs": "nixpkgs_5",
+        "nixpkgs": "nixpkgs_6",
         "ragenix": "ragenix_2"
       },
       "locked": {
@@ -1064,6 +1117,7 @@
         "nixpkgs": "nixpkgs_3",
         "nixvim": "nixvim",
         "p1n3appl3": "p1n3appl3",
+        "pipethon": "pipethon",
         "rahul-config": "rahul-config",
         "t": "t"
       }
@@ -1211,6 +1265,21 @@
         "type": "github"
       }
     },
+    "systems_12": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "systems_2": {
       "locked": {
         "lastModified": 1681028828,
@@ -1333,8 +1402,8 @@
     },
     "t": {
       "inputs": {
-        "flake-utils": "flake-utils_8",
-        "nixpkgs": "nixpkgs_6"
+        "flake-utils": "flake-utils_9",
+        "nixpkgs": "nixpkgs_7"
       },
       "locked": {
         "lastModified": 1710410762,
diff --git a/flake.nix b/flake.nix
index a1fb8ed..35d671f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -42,19 +42,22 @@
     };
 
     nixgl.url = "github:nix-community/nixGL";
+    pipethon.url = "git+ssh://forgejo@git.donsz.nl/jana/pipethon.git";
   };
 
   outputs =
-    { home-manager
-    , nixpkgs
-    , flake-utils
-    , nixvim
-    , t
-    , dumpasm
-    , jujutsu
-    , nixgl
-    , cosmic-manager
-    , ...
+    {
+      home-manager,
+      nixpkgs,
+      flake-utils,
+      nixvim,
+      t,
+      dumpasm,
+      jujutsu,
+      nixgl,
+      cosmic-manager,
+      pipethon,
+      ...
     }@inputs:
     let
       homeManagerModules = [ nixvim.homeManagerModules.nixvim ];
@@ -71,6 +74,7 @@
                 t = t.packages.${system}.default;
                 inherit (dumpasm.packages.${system}) dumpasm;
                 inherit (jujutsu.packages.${system}) jujutsu;
+                pipethon = pipethon.packages.${system}.python;
               };
               p1n3appl3 = inputs.p1n3appl3.packages.${system};
             })
@@ -80,13 +84,12 @@
         root: args:
         home-manager.lib.homeManagerConfiguration (
           {
-            modules =
-              [
-                cosmic-manager.homeManagerModules.cosmic-manager
-                root
-              ]
-              ++ homeManagerModules
-              ++ (args.modules or [ ]);
+            modules = [
+              cosmic-manager.homeManagerModules.cosmic-manager
+              root
+            ]
+            ++ homeManagerModules
+            ++ (args.modules or [ ]);
             pkgs = pkgsForSystem (args.system or "x86_64-linux");
           }
           // {
@@ -94,29 +97,28 @@
           }
         );
     in
-    flake-utils.lib.eachDefaultSystem
-      (system: rec {
-        formatter = legacyPackages.nixfmt-classic;
-        legacyPackages = pkgsForSystem system;
-        pkgs = legacyPackages;
-        devShells.default = pkgs.mkShell {
-          buildInputs = with pkgs; [
-            (pkgs.writeShellScriptBin "fast-repl" ''
-              source /etc/set-environment
-              nix repl --file "${./.}/repl.nix" $@
-            '')
+    flake-utils.lib.eachDefaultSystem (system: rec {
+      formatter = legacyPackages.nixfmt-classic;
+      legacyPackages = pkgsForSystem system;
+      pkgs = legacyPackages;
+      devShells.default = pkgs.mkShell {
+        buildInputs = with pkgs; [
+          (pkgs.writeShellScriptBin "fast-repl" ''
+            source /etc/set-environment
+            nix repl --file "${./.}/repl.nix" $@
+          '')
 
-            (pkgs.writeShellScriptBin "apply-home" ''
-              export NIX_BUILD_CORES=$(($(nproc) * 2))
-              nix run .#home-manager -- switch --flake .#$@ -j $(nproc) --cores $(nproc)
-            '')
+          (pkgs.writeShellScriptBin "apply-home" ''
+            export NIX_BUILD_CORES=$(($(nproc) * 2))
+            nix run .#home-manager -- switch --flake .#$@ -j $(nproc) --cores $(nproc)
+          '')
 
-            (pkgs.writeShellScriptBin "apply" ''
-              apply-home $(hostname -f)
-            '')
-          ];
-        };
-      })
+          (pkgs.writeShellScriptBin "apply" ''
+            apply-home $(hostname -f)
+          '')
+        ];
+      };
+    })
     // {
 
       homeConfigurations = {
diff --git a/programs/fish/scripts.nix b/programs/fish/scripts.nix
index c0d94f5..5f00c07 100644
--- a/programs/fish/scripts.nix
+++ b/programs/fish/scripts.nix
@@ -1,6 +1,6 @@
 { pkgs, ... }:
 {
-  calc = "${pkgs.python313}/bin/python -i ${pkgs.writeText "init.py" ''
+  calc = "${pkgs.custom.pipethon}/bin/python -i ${pkgs.writeText "init.py" ''
     import sys
     sys.path.append("${../../scriptlib}")
     sys.path.append("${pkgs.python313Packages.numpy}/lib/python3.13/site-packages/")