diff --git a/composer.json b/composer.json
index 4c0d5d0..32c3524 100644
--- a/composer.json
+++ b/composer.json
@@ -11,32 +11,32 @@
         "doctrine/doctrine-migrations-bundle": "^3.0",
         "doctrine/orm": "^2.7",
         "phpdocumentor/reflection-docblock": "^5.2",
-        "sensio/framework-extra-bundle": "^5.4",
-        "symfony/asset": "5.4.*",
-        "symfony/console": "5.4.*",
-        "symfony/dotenv": "5.4.*",
-        "symfony/expression-language": "5.4.*",
+        "sensio/framework-extra-bundle": "*",
+        "symfony/asset": "6.3.*",
+        "symfony/console": "6.3.*",
+        "symfony/dotenv": "6.3.*",
+        "symfony/expression-language": "6.3.*",
         "symfony/flex": "^1.3.1",
-        "symfony/form": "5.4.*",
-        "symfony/framework-bundle": "5.4.*",
-        "symfony/http-client": "5.4.*",
-        "symfony/intl": "5.4.*",
-        "symfony/mailer": "5.4.*",
-        "symfony/mime": "5.4.*",
+        "symfony/form": "6.3.*",
+        "symfony/framework-bundle": "6.3.*",
+        "symfony/http-client": "6.3.*",
+        "symfony/intl": "6.3.*",
+        "symfony/mailer": "6.3.*",
+        "symfony/mime": "6.3.*",
         "symfony/monolog-bundle": "^3.1",
-        "symfony/notifier": "5.4.*",
-        "symfony/process": "5.4.*",
-        "symfony/property-access": "5.4.*",
-        "symfony/property-info": "5.4.*",
-        "symfony/security-bundle": "5.4.*",
-        "symfony/serializer": "5.4.*",
-        "symfony/string": "5.4.*",
-        "symfony/translation": "5.4.*",
-        "symfony/twig-bundle": "5.4.*",
-        "symfony/validator": "5.4.*",
-        "symfony/web-link": "5.4.*",
+        "symfony/notifier": "6.3.*",
+        "symfony/process": "6.3.*",
+        "symfony/property-access": "6.3.*",
+        "symfony/property-info": "6.3.*",
+        "symfony/security-bundle": "6.3.*",
+        "symfony/serializer": "6.3.*",
+        "symfony/string": "6.3.*",
+        "symfony/translation": "6.3.*",
+        "symfony/twig-bundle": "6.3.*",
+        "symfony/validator": "6.3.*",
+        "symfony/web-link": "6.3.*",
         "symfony/webpack-encore-bundle": "^1.7",
-        "symfony/yaml": "5.4.*",
+        "symfony/yaml": "6.3.*",
         "symfonycasts/reset-password-bundle": "^1.1",
         "twig/extra-bundle": "^2.12|^3.0",
         "twig/twig": "^2.12|^3.0"
@@ -44,16 +44,16 @@
     "require-dev": {
         "dama/doctrine-test-bundle": "^6.3",
         "doctrine/doctrine-fixtures-bundle": "^3.3",
-        "symfony/browser-kit": "^5.4",
-        "symfony/css-selector": "^5.4",
-        "symfony/debug-bundle": "^5.4",
+        "symfony/browser-kit": "^5.3",
+        "symfony/css-selector": "^5.3",
+        "symfony/debug-bundle": "^5.3",
         "symfony/maker-bundle": "^1.0",
         "symfony/monolog-bundle": "^3.0",
-        "symfony/phpunit-bridge": "^5.4",
-        "symfony/stopwatch": "^5.4",
-        "symfony/twig-bundle": "^5.4",
-        "symfony/var-dumper": "^5.4",
-        "symfony/web-profiler-bundle": "^5.4"
+        "symfony/phpunit-bridge": "^5.3",
+        "symfony/stopwatch": "^6.3",
+        "symfony/twig-bundle": "^6.3",
+        "symfony/var-dumper": "^6.3",
+        "symfony/web-profiler-bundle": "^6.3"
     },
     "config": {
         "optimize-autoloader": true,
@@ -101,8 +101,9 @@
     },
     "extra": {
         "symfony": {
-            "allow-contrib": false,
-            "require": "5.4.*"
+            "allow-contrib": true,
+            "require": "6.3.*",
+            "docker": true
         }
     }
 }
diff --git a/src/Repository/UserRepository.php b/src/Repository/UserRepository.php
index 63366f7..6fc8810 100644
--- a/src/Repository/UserRepository.php
+++ b/src/Repository/UserRepository.php
@@ -6,6 +6,7 @@
 use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
 use Doctrine\Persistence\ManagerRegistry;
 use Symfony\Component\Security\Core\Exception\UnsupportedUserException;
+use Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface;
 use Symfony\Component\Security\Core\User\PasswordUpgraderInterface;
 use Symfony\Component\Security\Core\User\UserInterface;
 
@@ -25,7 +26,7 @@ public function __construct(ManagerRegistry $registry)
     /**
      * Used to upgrade (rehash) the user's password automatically over time.
      */
-    public function upgradePassword(UserInterface $user, string $newEncodedPassword): void
+    public function upgradePassword(PasswordAuthenticatedUserInterface $user, string $newEncodedPassword): void
     {
         if (!$user instanceof User) {
             throw new UnsupportedUserException(sprintf('Instances of "%s" are not supported.', \get_class($user)));
diff --git a/symfony.lock b/symfony.lock
deleted file mode 100644
index cef6721..0000000
--- a/symfony.lock
+++ /dev/null
@@ -1,302 +0,0 @@
-{
-    "dama/doctrine-test-bundle": {
-        "version": "6.7",
-        "recipe": {
-            "repo": "github.com/symfony/recipes-contrib",
-            "branch": "main",
-            "version": "4.0",
-            "ref": "2c920f73a217f30bd4a37833c91071f4d3dc1ecd"
-        },
-        "files": [
-            "config/packages/test/dama_doctrine_test_bundle.yaml"
-        ]
-    },
-    "doctrine/annotations": {
-        "version": "1.14",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "1.0",
-            "ref": "a2759dd6123694c8d901d0ec80006e044c2e6457"
-        },
-        "files": [
-            "config/routes/annotations.yaml"
-        ]
-    },
-    "doctrine/doctrine-bundle": {
-        "version": "2.10",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "2.4",
-            "ref": "013b823e7fee65890b23e40f31e6667a1ac519ac"
-        },
-        "files": [
-            "config/packages/doctrine.yaml",
-            "src/Entity/.gitignore",
-            "src/Repository/.gitignore"
-        ]
-    },
-    "doctrine/doctrine-fixtures-bundle": {
-        "version": "3.4",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "3.0",
-            "ref": "1f5514cfa15b947298df4d771e694e578d4c204d"
-        },
-        "files": [
-            "src/DataFixtures/AppFixtures.php"
-        ]
-    },
-    "doctrine/doctrine-migrations-bundle": {
-        "version": "3.2",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "3.1",
-            "ref": "1d01ec03c6ecbd67c3375c5478c9a423ae5d6a33"
-        },
-        "files": [
-            "config/packages/doctrine_migrations.yaml",
-            "migrations/.gitignore"
-        ]
-    },
-    "sensio/framework-extra-bundle": {
-        "version": "5.6",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "5.2",
-            "ref": "fb7e19da7f013d0d422fa9bce16f5c510e27609b"
-        },
-        "files": [
-            "config/packages/sensio_framework_extra.yaml"
-        ]
-    },
-    "symfony/console": {
-        "version": "5.4",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "5.3",
-            "ref": "da0c8be8157600ad34f10ff0c9cc91232522e047"
-        },
-        "files": [
-            "bin/console"
-        ]
-    },
-    "symfony/debug-bundle": {
-        "version": "5.4",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "5.3",
-            "ref": "5aa8aa48234c8eb6dbdd7b3cd5d791485d2cec4b"
-        },
-        "files": [
-            "config/packages/debug.yaml"
-        ]
-    },
-    "symfony/flex": {
-        "version": "1.20",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "1.0",
-            "ref": "146251ae39e06a95be0fe3d13c807bcf3938b172"
-        },
-        "files": [
-            ".env"
-        ]
-    },
-    "symfony/framework-bundle": {
-        "version": "5.4",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "5.4",
-            "ref": "3cd216a4d007b78d8554d44a5b1c0a446dab24fb"
-        },
-        "files": [
-            "config/packages/cache.yaml",
-            "config/packages/framework.yaml",
-            "config/preload.php",
-            "config/routes/framework.yaml",
-            "config/services.yaml",
-            "public/index.php",
-            "src/Controller/.gitignore",
-            "src/Kernel.php"
-        ]
-    },
-    "symfony/mailer": {
-        "version": "5.4",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "4.3",
-            "ref": "2bf89438209656b85b9a49238c4467bff1b1f939"
-        },
-        "files": [
-            "config/packages/mailer.yaml"
-        ]
-    },
-    "symfony/maker-bundle": {
-        "version": "1.50",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "1.0",
-            "ref": "fadbfe33303a76e25cb63401050439aa9b1a9c7f"
-        }
-    },
-    "symfony/monolog-bundle": {
-        "version": "3.8",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "3.7",
-            "ref": "213676c4ec929f046dfde5ea8e97625b81bc0578"
-        },
-        "files": [
-            "config/packages/monolog.yaml"
-        ]
-    },
-    "symfony/notifier": {
-        "version": "5.4",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "5.0",
-            "ref": "178877daf79d2dbd62129dd03612cb1a2cb407cc"
-        },
-        "files": [
-            "config/packages/notifier.yaml"
-        ]
-    },
-    "symfony/phpunit-bridge": {
-        "version": "5.4",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "5.3",
-            "ref": "6df817da0ca2b8cddbb6e690051d7f2b45530d06"
-        },
-        "files": [
-            ".env.test",
-            "bin/phpunit",
-            "phpunit.xml.dist",
-            "tests/bootstrap.php"
-        ]
-    },
-    "symfony/routing": {
-        "version": "5.4",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "5.3",
-            "ref": "85de1d8ae45b284c3c84b668171d2615049e698f"
-        },
-        "files": [
-            "config/packages/routing.yaml",
-            "config/routes.yaml"
-        ]
-    },
-    "symfony/security-bundle": {
-        "version": "5.4",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "5.3",
-            "ref": "98f1f2b0d635908c2b40f3675da2d23b1a069d30"
-        },
-        "files": [
-            "config/packages/security.yaml"
-        ]
-    },
-    "symfony/translation": {
-        "version": "5.4",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "5.3",
-            "ref": "da64f5a2b6d96f5dc24914517c0350a5f91dee43"
-        },
-        "files": [
-            "config/packages/translation.yaml",
-            "translations/.gitignore"
-        ]
-    },
-    "symfony/twig-bundle": {
-        "version": "5.4",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "5.4",
-            "ref": "bb2178c57eee79e6be0b297aa96fc0c0def81387"
-        },
-        "files": [
-            "config/packages/twig.yaml",
-            "templates/base.html.twig"
-        ]
-    },
-    "symfony/validator": {
-        "version": "5.4",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "5.3",
-            "ref": "c32cfd98f714894c4f128bb99aa2530c1227603c"
-        },
-        "files": [
-            "config/packages/validator.yaml"
-        ]
-    },
-    "symfony/web-profiler-bundle": {
-        "version": "5.4",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "5.3",
-            "ref": "24bbc3d84ef2f427f82104f766014e799eefcc3e"
-        },
-        "files": [
-            "config/packages/web_profiler.yaml",
-            "config/routes/web_profiler.yaml"
-        ]
-    },
-    "symfony/webpack-encore-bundle": {
-        "version": "1.17",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "1.10",
-            "ref": "eff2e505d4557c967b6710fe06bd947ba555cae5"
-        },
-        "files": [
-            "assets/app.js",
-            "assets/bootstrap.js",
-            "assets/controllers.json",
-            "assets/controllers/hello_controller.js",
-            "assets/styles/app.css",
-            "config/packages/webpack_encore.yaml",
-            "package.json",
-            "webpack.config.js"
-        ]
-    },
-    "symfonycasts/reset-password-bundle": {
-        "version": "1.18",
-        "recipe": {
-            "repo": "github.com/symfony/recipes",
-            "branch": "main",
-            "version": "1.0",
-            "ref": "97c1627c0384534997ae1047b93be517ca16de43"
-        },
-        "files": [
-            "config/packages/reset_password.yaml"
-        ]
-    },
-    "twig/extra-bundle": {
-        "version": "v3.7.1"
-    }
-}