diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index cb9a946..af66fcd 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -103,10 +103,6 @@ jobs:
         strategy:
             matrix:
                 include:
-                    -
-                        php-version: '8.1'
-                        composer-options: '--prefer-stable'
-                        symfony-version: '6.3'
                     -
                         php-version: '8.2'
                         composer-options: '--prefer-stable'
@@ -115,7 +111,17 @@ jobs:
                     -
                         php-version: '8.2'
                         composer-options: '--prefer-stable'
-                        symfony-version: '^7.0'
+                        symfony-version: '^7.4'
+
+                    -
+                        php-version: '8.4'
+                        composer-options: '--prefer-stable'
+                        symfony-version: '^8.0'
+
+                    -
+                        php-version: '8.5'
+                        composer-options: '--prefer-stable'
+                        symfony-version: '^8.0'
 
         steps:
             -
diff --git a/LICENSE b/LICENSE
index 1a852b6..3684b54 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2023 Sebastiaan Stok
+Copyright (c) 2023-present Sebastiaan Stok
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/composer.json b/composer.json
index e4130ea..43169f0 100644
--- a/composer.json
+++ b/composer.json
@@ -18,13 +18,13 @@
     "require": {
         "php": "^8.1",
         "rollerworks/pdb-symfony-bridge": "^1.0",
-        "symfony/validator": "^6.3 || ^7.0"
+        "symfony/validator": "^6.3 || ^7.0 || ^8.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^10.4.2",
         "rollerscapes/standards": "^1.0",
-        "symfony/framework-bundle": "^6.3 || ^7.0",
-        "symfony/phpunit-bridge": "^6.3 || ^7.0"
+        "symfony/framework-bundle": "^6.3 || ^7.0 || ^8.0",
+        "symfony/phpunit-bridge": "^6.3 || ^7.0 || ^8.0"
     },
     "minimum-stability": "dev",
     "prefer-stable": true,
diff --git a/src/Bundle/DependencyInjection/RollerworksPdbValidatorExtension.php b/src/Bundle/DependencyInjection/RollerworksPdbValidatorExtension.php
index 9655069..8f7cbfa 100644
--- a/src/Bundle/DependencyInjection/RollerworksPdbValidatorExtension.php
+++ b/src/Bundle/DependencyInjection/RollerworksPdbValidatorExtension.php
@@ -17,7 +17,7 @@
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;
 use Symfony\Component\DependencyInjection\Loader;
-use Symfony\Component\HttpKernel\DependencyInjection\Extension;
+use Symfony\Component\DependencyInjection\Extension\Extension;
 use Symfony\Component\Translation\Translator;
 
 final class RollerworksPdbValidatorExtension extends Extension implements PrependExtensionInterface