diff --git a/packaging/flake.lock b/packaging/flake.lock
index a5eb791..7cb5e3d 100644
--- a/packaging/flake.lock
+++ b/packaging/flake.lock
@@ -5,11 +5,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1726560853,
-        "narHash": "sha256-X6rJYSESBVr3hBoH0WbKE5KvhPU5bloyZ2L4K60/fPQ=",
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "c1dfcf08411b08f6b8615f7d8971a2bfa81d5e8a",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
         "type": "github"
       },
       "original": {
@@ -18,34 +18,13 @@
         "type": "github"
       }
     },
-    "nix-github-actions": {
-      "inputs": {
-        "nixpkgs": [
-          "poetry2nix",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1720066371,
-        "narHash": "sha256-uPlLYH2S0ACj0IcgaK9Lsf4spmJoGejR9DotXiXSBZQ=",
-        "owner": "nix-community",
-        "repo": "nix-github-actions",
-        "rev": "622f829f5fe69310a866c8a6cd07e747c44ef820",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nix-github-actions",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1728241625,
-        "narHash": "sha256-yumd4fBc/hi8a9QgA9IT8vlQuLZ2oqhkJXHPKxH/tRw=",
+        "lastModified": 1732014248,
+        "narHash": "sha256-y/MEyuJ5oBWrWAic/14LaIr/u5E0wRVzyYsouYY3W6w=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c31898adf5a8ed202ce5bea9f347b1c6871f32d1",
+        "rev": "23e89b7da85c3640bbc2173fe04f4bd114342367",
         "type": "github"
       },
       "original": {
@@ -55,29 +34,49 @@
         "type": "github"
       }
     },
-    "poetry2nix": {
+    "pyproject-build-systems": {
       "inputs": {
-        "flake-utils": [
-          "flake-utils"
-        ],
-        "nix-github-actions": "nix-github-actions",
         "nixpkgs": [
           "nixpkgs"
         ],
-        "systems": "systems_2",
-        "treefmt-nix": "treefmt-nix"
+        "pyproject-nix": [
+          "pyproject-nix"
+        ],
+        "uv2nix": [
+          "uv2nix"
+        ]
       },
       "locked": {
-        "lastModified": 1728266256,
-        "narHash": "sha256-RefXB9kqYch6uGT+mo6m3KTbNerfbDYz+EqkLb6YBbs=",
+        "lastModified": 1732194315,
+        "narHash": "sha256-EhGGKlxzfdENPwKLGtefqAufw5zAMzRuaARxG2hTPe8=",
+        "owner": "pyproject-nix",
+        "repo": "build-system-pkgs",
+        "rev": "5f38d53e9359e9e191ecbc3b8eb068bf613c713c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "pyproject-nix",
+        "repo": "build-system-pkgs",
+        "type": "github"
+      }
+    },
+    "pyproject-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1732109611,
+        "narHash": "sha256-x78cq+snot+gM+JScQgIV7QeEH5mVcdjdoOgfXVo24w=",
         "owner": "nix-community",
-        "repo": "poetry2nix",
-        "rev": "8e965fd42c0da4357c53d987bc62b54a954424da",
+        "repo": "pyproject.nix",
+        "rev": "55201d64687824ffe7dd98b622bfae87d01a568b",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
-        "repo": "poetry2nix",
+        "repo": "pyproject.nix",
         "type": "github"
       }
     },
@@ -85,7 +84,9 @@
       "inputs": {
         "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs",
-        "poetry2nix": "poetry2nix"
+        "pyproject-build-systems": "pyproject-build-systems",
+        "pyproject-nix": "pyproject-nix",
+        "uv2nix": "uv2nix"
       }
     },
     "systems": {
@@ -103,38 +104,26 @@
         "type": "github"
       }
     },
-    "systems_2": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "id": "systems",
-        "type": "indirect"
-      }
-    },
-    "treefmt-nix": {
+    "uv2nix": {
       "inputs": {
         "nixpkgs": [
-          "poetry2nix",
           "nixpkgs"
+        ],
+        "pyproject-nix": [
+          "pyproject-nix"
         ]
       },
       "locked": {
-        "lastModified": 1727984844,
-        "narHash": "sha256-xpRqITAoD8rHlXQafYZOLvUXCF6cnZkPfoq67ThN0Hc=",
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "rev": "4446c7a6fc0775df028c5a3f6727945ba8400e64",
+        "lastModified": 1732109782,
+        "narHash": "sha256-dYVBUPi/GREuVT1FaZRw6QIyQs8lECv0XW8Fk+LDlac=",
+        "owner": "adisbladis",
+        "repo": "uv2nix",
+        "rev": "07bb1b334e92105ebd525b1f2c5b121f106e6f1b",
         "type": "github"
       },
       "original": {
-        "owner": "numtide",
-        "repo": "treefmt-nix",
+        "owner": "adisbladis",
+        "repo": "uv2nix",
         "type": "github"
       }
     }
diff --git a/packaging/flake.nix b/packaging/flake.nix
index 109fc92..ffc11fe 100644
--- a/packaging/flake.nix
+++ b/packaging/flake.nix
@@ -1,46 +1,58 @@
 {
   description = "Python program to show your google calendar next meeting";
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
 
-  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
-  inputs.flake-utils.url = "github:numtide/flake-utils";
-  inputs.poetry2nix = {
-    url = "github:nix-community/poetry2nix";
-    inputs.nixpkgs.follows = "nixpkgs";
-    inputs.flake-utils.follows = "flake-utils";
+    pyproject-nix = {
+      url = "github:nix-community/pyproject.nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    pyproject-build-systems = {
+      url = "github:pyproject-nix/build-system-pkgs";
+      inputs.pyproject-nix.follows = "pyproject-nix";
+      inputs.uv2nix.follows = "uv2nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    uv2nix = {
+      url = "github:adisbladis/uv2nix";
+      inputs.pyproject-nix.follows = "pyproject-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
-
   outputs = {
-    self,
     nixpkgs,
     flake-utils,
-    poetry2nix,
+    uv2nix,
+    pyproject-nix,
+    pyproject-build-systems,
+    ...
   }:
     flake-utils.lib.eachDefaultSystem (system: let
-      p2n = import poetry2nix {inherit pkgs;};
-      python = pkgs.python3;
-      projectDir = ../.;
-      overrides = p2n.overrides.withDefaults (final: prev: {
-        # use wheels to build ruff & mypy
-        ruff = prev.ruff.override {
-          preferWheel = true;
-        };
-        mypy = prev.mypy.override {
-          preferWheel = true;
-        };
-      });
-      poetry_env = p2n.mkPoetryEnv {
-        inherit python projectDir overrides;
-      };
-      poetry_app = p2n.mkPoetryApplication {
-        inherit python projectDir overrides;
-      };
+      inherit (nixpkgs) lib;
       pkgs = nixpkgs.legacyPackages.${system};
+      python = pkgs.python312;
+      # setup uv2nix workspace & overlay
+      workspace = uv2nix.lib.workspace.loadWorkspace {workspaceRoot = ../.;};
+      overlay = workspace.mkPyprojectOverlay {
+        # Prefer prebuilt binary wheels as a package source.
+        sourcePreference = "wheel"; # or sourcePreference = "sdist";
+      };
+      pythonSet =
+        # Use base package set from pyproject.nix builders
+        (pkgs.callPackage pyproject-nix.build.packages {
+          inherit python;
+        })
+        .overrideScope
+        (
+          lib.composeManyExtensions [
+            pyproject-build-systems.overlays.default
+            overlay
+          ]
+        );
     in {
       packages = {
-        nextmeeting = poetry_app;
-        default = self.packages.${system}.nextmeeting;
+        ${system}.default = pythonSet.mkVirtualEnv "nextmeeting" workspace.deps.default;
       };
-      devShells.default =
-        pkgs.mkShell {packages = [pkgs.poetry poetry_env];};
     });
 }