diff --git a/flake-parts/formatting.nix b/flake-parts/formatting.nix
index db4a2bc5..a1b21597 100644
--- a/flake-parts/formatting.nix
+++ b/flake-parts/formatting.nix
@@ -1,16 +1,15 @@
-{
-  self,
-  inputs,
-  ...
+{ self
+, inputs
+, ...
 }: {
   imports = [
     inputs.treefmt-nix.flakeModule
   ];
-  perSystem = {pkgs, ...}: {
+  perSystem = { pkgs, ... }: {
     treefmt.projectRootFile = "flake.nix";
     treefmt.flakeCheck = true;
     treefmt.flakeFormatter = true;
-    treefmt.programs.alejandra.enable = true;
+    treefmt.programs.nixpkgs-fmt.enable = true;
     treefmt.programs.shellcheck.enable = true;
   };
 }
diff --git a/flake-parts/packages.nix b/flake-parts/packages.nix
index 50f81e49..f8ce8a7a 100644
--- a/flake-parts/packages.nix
+++ b/flake-parts/packages.nix
@@ -1,4 +1,4 @@
-{self, ...}: {
+{ self, ... }: {
   flake.packages.x86_64-linux = {
     inherit
       (self.nixosConfigurations.installer.config.formats)
diff --git a/flake-parts/pre-commit.nix b/flake-parts/pre-commit.nix
index 5bd8756e..d44afc88 100644
--- a/flake-parts/pre-commit.nix
+++ b/flake-parts/pre-commit.nix
@@ -1,4 +1,4 @@
-{self, ...}: {
+{ self, ... }: {
   pre-commit.settings.hooks.alejandra.enable = true;
   pre-commit.settings.hooks.shellcheck.enable = true;
 }
diff --git a/flake.nix b/flake.nix
index 79ac0cb3..77741213 100644
--- a/flake.nix
+++ b/flake.nix
@@ -11,13 +11,12 @@
     treefmt-nix.inputs.nixpkgs.follows = "nixpkgs";
   };
 
-  outputs = inputs @ {flake-parts, ...}:
-    flake-parts.lib.mkFlake {inherit inputs;} ({
-      lib,
-      config,
-      self,
-      ...
-    }: {
+  outputs = inputs @ { flake-parts, ... }:
+    flake-parts.lib.mkFlake { inherit inputs; } ({ lib
+                                                 , config
+                                                 , self
+                                                 , ...
+                                                 }: {
       systems = lib.systems.flakeExposed;
       imports = [
         ./flake-parts/packages.nix
diff --git a/hidden-announce.nix b/hidden-announce.nix
index a73086a4..bcb8e6c8 100644
--- a/hidden-announce.nix
+++ b/hidden-announce.nix
@@ -1,8 +1,7 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
+{ config
+, lib
+, pkgs
+, ...
 }: {
   options.hidden-announce = {
     enable = lib.mkEnableOption "hidden-announce";
@@ -32,9 +31,9 @@
     };
     systemd.services.hidden-ssh-announce = {
       description = "irc announce hidden ssh";
-      after = ["tor.service" "network-online.target"];
-      wants = ["tor.service"];
-      wantedBy = ["multi-user.target"];
+      after = [ "tor.service" "network-online.target" ];
+      wants = [ "tor.service" ];
+      wantedBy = [ "multi-user.target" ];
       serviceConfig = {
         # ${pkgs.tor}/bin/torify
         ExecStart = pkgs.writers.writeDash "announce-hidden-service" ''
diff --git a/installer.nix b/installer.nix
index 8a0924fb..8da5d50f 100644
--- a/installer.nix
+++ b/installer.nix
@@ -1,8 +1,7 @@
-{
-  config,
-  lib,
-  pkgs,
-  ...
+{ config
+, lib
+, pkgs
+, ...
 }: {
   systemd.tmpfiles.rules = [
     "d /var/shared 0777 root root - -"
diff --git a/pkgs/clan-cli/default.nix b/pkgs/clan-cli/default.nix
index dc2da835..72214801 100644
--- a/pkgs/clan-cli/default.nix
+++ b/pkgs/clan-cli/default.nix
@@ -4,7 +4,7 @@
 symlinkJoin {
   name = "clan";
   paths = [
-    (writers.writePython3Bin "clan" {} ./clan.py)
+    (writers.writePython3Bin "clan" { } ./clan.py)
     (writers.writePython3Bin "clan-admin" { flakeIgnore = [ "E501" ]; } ./clan-admin.py)
   ];
 }
diff --git a/pkgs/go-ssb/default.nix b/pkgs/go-ssb/default.nix
index 171c259e..a650cbea 100644
--- a/pkgs/go-ssb/default.nix
+++ b/pkgs/go-ssb/default.nix
@@ -1,7 +1,7 @@
-{
-  lib,
-  buildGoModule,
-  fetchFromGitHub,
+{ lib
+, buildGoModule
+, fetchFromGitHub
+,
 }:
 buildGoModule rec {
   pname = "go-ssb";
@@ -17,7 +17,7 @@ buildGoModule rec {
 
   vendorHash = "sha256-ZytuWFre7Cz6Qt01tLQoPEuNzDIyoC938OkdIrU8nZo=";
 
-  ldflags = ["-s" "-w"];
+  ldflags = [ "-s" "-w" ];
 
   # take very long
   doCheck = false;
@@ -26,6 +26,6 @@ buildGoModule rec {
     description = "Go implementation of ssb (work in progress)";
     homepage = "https://github.com/ssbc/go-ssb";
     license = licenses.mit;
-    maintainers = with maintainers; [];
+    maintainers = with maintainers; [ ];
   };
 }
diff --git a/templates/python-project/default.nix b/templates/python-project/default.nix
index acbef7dd..30dae1b7 100644
--- a/templates/python-project/default.nix
+++ b/templates/python-project/default.nix
@@ -1,11 +1,11 @@
-{
-  pkgs ? import <nixpkgs> {},
-
-  lib ? pkgs.lib,
-  python3 ? pkgs.python3,
-  ruff ? pkgs.ruff,
-  runCommand ? pkgs.runCommand,
-}: let
+{ pkgs ? import <nixpkgs> { }
+, lib ? pkgs.lib
+, python3 ? pkgs.python3
+, ruff ? pkgs.ruff
+, runCommand ? pkgs.runCommand
+,
+}:
+let
   pyproject = builtins.fromTOML (builtins.readFile ./pyproject.toml);
   name = pyproject.project.name;
 
@@ -37,14 +37,14 @@
     ];
     propagatedBuildInputs =
       dependencies
-      ++ [];
-    passthru.tests = {inherit check;};
+      ++ [ ];
+    passthru.tests = { inherit check; };
     passthru.devDependencies = devDependencies;
   };
 
   checkPython = python3.withPackages (ps: devDependencies ++ dependencies);
 
-  check = runCommand "${name}-check" {} ''
+  check = runCommand "${name}-check" { } ''
     cp -r ${src} ./src
     chmod +w -R ./src
     cd src
@@ -59,4 +59,4 @@
   '';
 
 in
-  package
+package
diff --git a/templates/python-project/flake-module.nix b/templates/python-project/flake-module.nix
index 1e85e607..74218c6d 100644
--- a/templates/python-project/flake-module.nix
+++ b/templates/python-project/flake-module.nix
@@ -1,10 +1,12 @@
 {
-  perSystem = {pkgs, ...}: let
-    pyproject = builtins.fromTOML (builtins.readFile ./pyproject.toml);
-    name = pyproject.project.name;
-    package = pkgs.callPackage ./default.nix {};
-  in {
-    # packages.${name} = package;
-    checks.python-template = package.tests.check;
-  };
+  perSystem = { pkgs, ... }:
+    let
+      pyproject = builtins.fromTOML (builtins.readFile ./pyproject.toml);
+      name = pyproject.project.name;
+      package = pkgs.callPackage ./default.nix { };
+    in
+    {
+      # packages.${name} = package;
+      checks.python-template = package.tests.check;
+    };
 }
diff --git a/templates/python-project/shell.nix b/templates/python-project/shell.nix
index 318ab24a..2b7b0748 100644
--- a/templates/python-project/shell.nix
+++ b/templates/python-project/shell.nix
@@ -1,7 +1,8 @@
-{
-  pkgs ? import <nixpkgs> {},
-  system ? builtins.currentSystem,
-}: let
+{ pkgs ? import <nixpkgs> { }
+, system ? builtins.currentSystem
+,
+}:
+let
   lib = pkgs.lib;
   python3 = pkgs.python3;
   package = import ./default.nix {
@@ -9,11 +10,11 @@
   };
   pythonWithDeps = python3.withPackages (
     ps:
-      package.propagatedBuildInputs
-      ++ package.devDependencies
-      ++ [
-        ps.pip
-      ]
+    package.propagatedBuildInputs
+    ++ package.devDependencies
+    ++ [
+      ps.pip
+    ]
   );
   checkScript = pkgs.writeScriptBin "check" ''
     nix build -f . tests.check -L "$@"
@@ -43,4 +44,4 @@
     '';
   };
 in
-  devShell
+devShell