diff --git a/default.nix b/default.nix
index 1187144..57fefea 100644
--- a/default.nix
+++ b/default.nix
@@ -1,32 +1,32 @@
-{ pkgs ? import <nixpkgs> { } }:
-let manifest = (pkgs.lib.importTOML ./Cargo.toml).package;
-    packages = with pkgs; [
-      pkg-config
-      libGLU
-      libGL
-      libxkbcommon
-      wayland
-    ];
+{pkgs ? import <nixpkgs> {}}: let
+  manifest = (pkgs.lib.importTOML ./Cargo.toml).package;
+  packages = with pkgs; [
+    pkg-config
+    libGLU
+    libGL
+    libxkbcommon
+    wayland
+  ];
 in
-pkgs.rustPlatform.buildRustPackage rec {
-  pname = manifest.name;
-  version = manifest.version;
-  cargoLock.lockFile = ./Cargo.lock;
-  src = pkgs.lib.cleanSource ./.;
+  pkgs.rustPlatform.buildRustPackage {
+    pname = manifest.name;
+    version = manifest.version;
+    cargoLock.lockFile = ./Cargo.lock;
+    src = pkgs.lib.cleanSource ./.;
 
-  meta = {
-    description = manifest.description ? null;
-  };
-  postBuild = ''
-    patchelf --add-needed libxkbcommon.so target/x86_64-unknown-linux-gnu/release/todoodoo
-    patchelf --add-needed libwayland-client.so target/x86_64-unknown-linux-gnu/release/todoodoo
-    patchelf --add-needed libGLU.so target/x86_64-unknown-linux-gnu/release/todoodoo
-    patchelf --add-needed libEGL.so target/x86_64-unknown-linux-gnu/release/todoodoo
-    old_rpath=$(patchelf --print-rpath target/x86_64-unknown-linux-gnu/release/todoodoo)
-    if [[ -z "$old_rpath" ]]; then
-      patchelf --set-rpath "${pkgs.lib.makeLibraryPath packages}" target/x86_64-unknown-linux-gnu/release/todoodoo
-    else
-      patchelf --set-rpath "${pkgs.lib.makeLibraryPath packages}:$old_rpath" target/x86_64-unknown-linux-gnu/release/todoodoo
-    fi
-  '';
-}
+    meta = {
+      description = manifest.description ? null;
+    };
+    postBuild = ''
+      patchelf --add-needed libxkbcommon.so target/x86_64-unknown-linux-gnu/release/todoodoo
+      patchelf --add-needed libwayland-client.so target/x86_64-unknown-linux-gnu/release/todoodoo
+      patchelf --add-needed libGLU.so target/x86_64-unknown-linux-gnu/release/todoodoo
+      patchelf --add-needed libEGL.so target/x86_64-unknown-linux-gnu/release/todoodoo
+      old_rpath=$(patchelf --print-rpath target/x86_64-unknown-linux-gnu/release/todoodoo)
+      if [[ -z "$old_rpath" ]]; then
+        patchelf --set-rpath "${pkgs.lib.makeLibraryPath packages}" target/x86_64-unknown-linux-gnu/release/todoodoo
+      else
+        patchelf --set-rpath "${pkgs.lib.makeLibraryPath packages}:$old_rpath" target/x86_64-unknown-linux-gnu/release/todoodoo
+      fi
+    '';
+  }
diff --git a/flake.nix b/flake.nix
index ee9424b..af890c9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,18 +3,20 @@
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
   };
-  outputs = { self, nixpkgs }:
-    let
-      supportedSystems = [ "x86_64-linux" ];
-      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
-      pkgsFor = nixpkgs.legacyPackages;
-    in {
-      packages = forAllSystems (system: {
-        default = pkgsFor.${system}.callPackage ./default.nix { };
-      });
-      devShells = forAllSystems (system: {
-        default = pkgsFor.${system}.callPackage ./shell.nix { };
-      });
-    };
+  outputs = {
+    self,
+    nixpkgs,
+  }: let
+    supportedSystems = ["x86_64-linux"];
+    forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+    pkgsFor = nixpkgs.legacyPackages;
+  in {
+    formatter = forAllSystems (system: pkgsFor.${system}.alejandra);
+    packages = forAllSystems (system: {
+      default = pkgsFor.${system}.callPackage ./default.nix {};
+    });
+    devShells = forAllSystems (system: {
+      default = pkgsFor.${system}.callPackage ./shell.nix {};
+    });
+  };
 }
-
diff --git a/shell.nix b/shell.nix
index 6dbfb37..08cffe6 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,5 +1,8 @@
-{ pkgs ? import <nixpkgs> { }, lib }:
-let packages = with pkgs; [
+{
+  pkgs ? import <nixpkgs> {},
+  lib,
+}: let
+  packages = with pkgs; [
     rust-analyzer
     rustfmt
     clippy
@@ -12,18 +15,17 @@ let packages = with pkgs; [
     libGLU
     libGL
     libxkbcommon
-    
+
     wayland
   ];
 in
-pkgs.mkShell {
-  # Get dependencies from the main package
-  inputsFrom = [ (pkgs.callPackage ./default.nix { }) ];
-  nativeBuildInputs = packages;
-  buildInputs = packages;
-  env = {
-    LIBCLANG_PATH = "${pkgs.libclang.lib}/lib";
-    LD_LIBRARY_PATH = "${lib.makeLibraryPath packages}";
-  };
-}
-
+  pkgs.mkShell {
+    # Get dependencies from the main package
+    inputsFrom = [(pkgs.callPackage ./default.nix {})];
+    nativeBuildInputs = packages;
+    buildInputs = packages;
+    env = {
+      LIBCLANG_PATH = "${pkgs.libclang.lib}/lib";
+      LD_LIBRARY_PATH = "${lib.makeLibraryPath packages}";
+    };
+  }