diff --git a/flake.lock b/flake.lock
index 1f69c3b3b..ce60dce95 100644
--- a/flake.lock
+++ b/flake.lock
@@ -5,11 +5,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1689068808,
-        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
         "type": "github"
       },
       "original": {
@@ -23,11 +23,11 @@
         "systems": "systems_2"
       },
       "locked": {
-        "lastModified": 1689068808,
-        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
         "type": "github"
       },
       "original": {
@@ -44,11 +44,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1688870561,
-        "narHash": "sha256-4UYkifnPEw1nAzqqPOTL2MvWtm3sNGw1UTYTalkTcGY=",
+        "lastModified": 1703863825,
+        "narHash": "sha256-rXwqjtwiGKJheXB43ybM8NwWB8rO2dSRrEqes0S7F5Y=",
         "owner": "nix-community",
         "repo": "nix-github-actions",
-        "rev": "165b1650b753316aa7f1787f3005a8d2da0f5301",
+        "rev": "5163432afc817cf8bd1f031418d1869e4c9d5547",
         "type": "github"
       },
       "original": {
@@ -59,11 +59,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1692356644,
-        "narHash": "sha256-AYkPFT+CbCVSBmh0WwIzPpwhEJ4Yy3A7JZvUkGJIg5o=",
+        "lastModified": 1714253743,
+        "narHash": "sha256-mdTQw2XlariysyScCv2tTE45QSU9v/ezLcHJ22f0Nxc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "8ecc900b2f695d74dea35a92f8a9f9b32c8ea33d",
+        "rev": "58a1abdbae3217ca6b702f03d3b35125d88a2994",
         "type": "github"
       },
       "original": {
@@ -79,14 +79,16 @@
         "nix-github-actions": "nix-github-actions",
         "nixpkgs": [
           "nixpkgs"
-        ]
+        ],
+        "systems": "systems_3",
+        "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1692369730,
-        "narHash": "sha256-VcCb/XxybOv0Py1Gnhmih9mfwyCUVDds/gID2VcscAo=",
+        "lastModified": 1714656274,
+        "narHash": "sha256-H9rZBO23eVDK8VtN3VUgvgkQeDVP16MDWIn2Vc8b4Cw=",
         "owner": "nix-community",
         "repo": "poetry2nix",
-        "rev": "e4cd574cac251dd44bdbc77c1e98d790fe27b781",
+        "rev": "64a303470d9b2985d35631b4b1724e88b99ded51",
         "type": "github"
       },
       "original": {
@@ -131,6 +133,41 @@
         "repo": "default",
         "type": "github"
       }
+    },
+    "systems_3": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "id": "systems",
+        "type": "indirect"
+      }
+    },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "poetry2nix",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1714058656,
+        "narHash": "sha256-Qv4RBm4LKuO4fNOfx9wl40W2rBbv5u5m+whxRYUMiaA=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "c6aaf729f34a36c445618580a9f95a48f5e4e03f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index 67a0d3716..0a732ec07 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,5 +1,5 @@
 {
-  description = "Application packaged using poetry2nix";
+  description = "alot: Terminal-based Mail User Agent";
 
   inputs.flake-utils.url = "github:numtide/flake-utils";
   inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
@@ -12,9 +12,8 @@
     flake-utils.lib.eachDefaultSystem (system:
       let
         # see https://github.com/nix-community/poetry2nix/tree/master#api for more functions and examples.
-        inherit (poetry2nix.legacyPackages.${system}) mkPoetryApplication;
         pkgs = nixpkgs.legacyPackages.${system};
-
+        inherit (poetry2nix.lib.mkPoetry2Nix { inherit pkgs; }) mkPoetryApplication overrides;
       in
       {
         packages = {
@@ -28,7 +27,7 @@
               pkgs.gpgme.dev
               pkgs.python3.pkgs.cffi
             ];
-            overrides = poetry2nix.legacyPackages.${system}.overrides.withDefaults (final: prev: {
+            overrides = overrides.withDefaults (final: prev: {
               gpg = prev.gpgme;
               notmuch2 = pkgs.python3.pkgs.notmuch2;
             });