diff --git a/.php-cs-fixer.php b/.php-cs-fixer.php
index 945ca58..9867d6d 100644
--- a/.php-cs-fixer.php
+++ b/.php-cs-fixer.php
@@ -23,5 +23,7 @@ return $config
         'ternary_to_null_coalescing' => true,
         'array_syntax' => ['syntax' => 'short'],
         'php_unit_test_class_requires_covers' => false,
+        'single_line_comment_style' => false,
+        'phpdoc_to_comment' => false,
     ])
     ->setFinder($finder);
diff --git a/aoc21 b/aoc21
index ed4d172..40b5527 100755
--- a/aoc21
+++ b/aoc21
@@ -7,6 +7,7 @@ use AdventOfCode21\Day2;
 use AdventOfCode21\Day3;
 use AdventOfCode21\Day4;
 use AdventOfCode21\Day6;
+use AdventOfCode21\Day7;
 use AdventOfCode21\Puzzle;
 use Symfony\Component\Console\Application;
 
@@ -18,5 +19,6 @@ $application->add(new Day2());
 $application->add(new Day3());
 $application->add(new Day4());
 $application->add(new Day6());
+$application->add(new Day7());
 
 $application->run();
diff --git a/composer.json b/composer.json
index e18d39d..a137270 100644
--- a/composer.json
+++ b/composer.json
@@ -11,8 +11,8 @@
     ],
     "require": {
         "php": "^8.0",
-        "symfony/console": "^5",
         "ext-mbstring": "*",
+        "symfony/console": "^5",
         "cebe/markdown": "^1.2"
     },
     "require-dev": {
@@ -36,5 +36,9 @@
         "test": "vendor/bin/phpunit ./tests --testdox",
         "style": "vendor/bin/php-cs-fixer fix",
         "psalm": "vendor/bin/psalm --no-cache"
+    },
+    "config": {
+        "sort-packages": true,
+        "optimize-autoloader": true
     }
 }
diff --git a/composer.lock b/composer.lock
index 19fefcc..6371030 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "3a59a29c9eccdbf1233787e6daec2064",
+    "content-hash": "4ab6c1a359d0a6f590a56de670c6eea9",
     "packages": [
         {
             "name": "cebe/markdown",