diff --git a/composer.json b/composer.json
index 306573e74..e7ed77224 100644
--- a/composer.json
+++ b/composer.json
@@ -34,12 +34,12 @@
         "doctrine/deprecations": "^1.0",
         "doctrine/persistence": "^3.1 || ^4",
         "doctrine/sql-formatter": "^1.0.1",
-        "symfony/cache": "^6.4 || ^7.0",
-        "symfony/config": "^6.4 || ^7.0",
-        "symfony/console": "^6.4 || ^7.0",
-        "symfony/dependency-injection": "^6.4 || ^7.0",
-        "symfony/doctrine-bridge": "^6.4.3 || ^7.0.3",
-        "symfony/framework-bundle": "^6.4 || ^7.0",
+        "symfony/cache": "^6.4 || ^7.0 || ^8.0",
+        "symfony/config": "^6.4 || ^7.0 || ^8.0",
+        "symfony/console": "^6.4 || ^7.0 || ^8.0",
+        "symfony/dependency-injection": "^6.4 || ^7.0 || ^8.0",
+        "symfony/doctrine-bridge": "^6.4.3 || ^7.0.3 || ^8.0",
+        "symfony/framework-bundle": "^6.4 || ^7.0 || ^8.0",
         "symfony/service-contracts": "^2.5 || ^3"
     },
     "require-dev": {
@@ -53,18 +53,18 @@
         "phpstan/phpstan-strict-rules": "^2",
         "phpunit/phpunit": "^10.5.53 || ^12.3.10",
         "psr/log": "^1.1.4 || ^2.0 || ^3.0",
-        "symfony/doctrine-messenger": "^6.4 || ^7.0",
-        "symfony/expression-language": "^6.4 || ^7.0",
-        "symfony/messenger": "^6.4 || ^7.0",
-        "symfony/property-info": "^6.4 || ^7.0",
-        "symfony/security-bundle": "^6.4 || ^7.0",
-        "symfony/stopwatch": "^6.4 || ^7.0",
-        "symfony/string": "^6.4 || ^7.0",
-        "symfony/twig-bridge": "^6.4 || ^7.0",
-        "symfony/validator": "^6.4 || ^7.0",
-        "symfony/var-exporter": "^6.4.1 || ^7.0.1",
-        "symfony/web-profiler-bundle": "^6.4 || ^7.0",
-        "symfony/yaml": "^6.4 || ^7.0",
+        "symfony/doctrine-messenger": "^6.4 || ^7.0 || ^8.0",
+        "symfony/expression-language": "^6.4 || ^7.0 || ^8.0",
+        "symfony/messenger": "^6.4 || ^7.0 || ^8.0",
+        "symfony/property-info": "^6.4 || ^7.0 || ^8.0",
+        "symfony/security-bundle": "^6.4 || ^7.0 || ^8.0",
+        "symfony/stopwatch": "^6.4 || ^7.0 || ^8.0",
+        "symfony/string": "^6.4 || ^7.0 || ^8.0",
+        "symfony/twig-bridge": "^6.4 || ^7.0 || ^8.0",
+        "symfony/validator": "^6.4 || ^7.0 || ^8.0",
+        "symfony/var-exporter": "^6.4.1 || ^7.0.1 || ^8.0",
+        "symfony/web-profiler-bundle": "^6.4 || ^7.0 || ^8.0",
+        "symfony/yaml": "^6.4 || ^7.0 || ^8.0",
         "twig/twig": "^2.14.7 || ^3.0.4"
     },
     "conflict": {
diff --git a/src/Command/DropDatabaseDoctrineCommand.php b/src/Command/DropDatabaseDoctrineCommand.php
index e7c86968f..187aad4b7 100644
--- a/src/Command/DropDatabaseDoctrineCommand.php
+++ b/src/Command/DropDatabaseDoctrineCommand.php
@@ -29,8 +29,7 @@ class DropDatabaseDoctrineCommand extends DoctrineCommand
 
     public const RETURN_CODE_NO_FORCE = 2;
 
-    /** @return void */
-    protected function configure()
+    protected function configure(): void
     {
         $this
             ->setName('doctrine:database:drop')
diff --git a/src/Command/Proxy/ConvertMappingDoctrineCommand.php b/src/Command/Proxy/ConvertMappingDoctrineCommand.php
index 7437ae7fd..d0cb9dd7e 100644
--- a/src/Command/Proxy/ConvertMappingDoctrineCommand.php
+++ b/src/Command/Proxy/ConvertMappingDoctrineCommand.php
@@ -24,8 +24,7 @@ class ConvertMappingDoctrineCommand extends ConvertMappingCommand
 {
     use OrmProxyCommand;
 
-    /** @return void */
-    protected function configure()
+    protected function configure(): void
     {
         parent::configure();
 
diff --git a/src/DependencyInjection/Compiler/CacheSchemaSubscriberPass.php b/src/DependencyInjection/Compiler/CacheSchemaSubscriberPass.php
index b29ed7902..9dd25abd8 100644
--- a/src/DependencyInjection/Compiler/CacheSchemaSubscriberPass.php
+++ b/src/DependencyInjection/Compiler/CacheSchemaSubscriberPass.php
@@ -18,8 +18,7 @@
  */
 class CacheSchemaSubscriberPass implements CompilerPassInterface
 {
-    /** @return void */
-    public function process(ContainerBuilder $container)
+    public function process(ContainerBuilder $container): void
     {
         if (! $container->hasDefinition('doctrine.orm.listeners.doctrine_dbal_cache_adapter_schema_listener')) {
             return;
diff --git a/src/DependencyInjection/Compiler/DbalSchemaFilterPass.php b/src/DependencyInjection/Compiler/DbalSchemaFilterPass.php
index 5ee4199a9..b6915b3c0 100644
--- a/src/DependencyInjection/Compiler/DbalSchemaFilterPass.php
+++ b/src/DependencyInjection/Compiler/DbalSchemaFilterPass.php
@@ -18,8 +18,7 @@
  */
 class DbalSchemaFilterPass implements CompilerPassInterface
 {
-    /** @return void */
-    public function process(ContainerBuilder $container)
+    public function process(ContainerBuilder $container): void
     {
         $filters = $container->findTaggedServiceIds('doctrine.dbal.schema_filter');
 
diff --git a/src/DependencyInjection/Compiler/EntityListenerPass.php b/src/DependencyInjection/Compiler/EntityListenerPass.php
index fd0f95c1d..81c35d0ce 100644
--- a/src/DependencyInjection/Compiler/EntityListenerPass.php
+++ b/src/DependencyInjection/Compiler/EntityListenerPass.php
@@ -27,8 +27,7 @@
  */
 class EntityListenerPass implements CompilerPassInterface
 {
-    /** @return void */
-    public function process(ContainerBuilder $container)
+    public function process(ContainerBuilder $container): void
     {
         $lazyServiceReferencesByResolver = [];
 
diff --git a/tests/DependencyInjection/Compiler/RemoveLoggingMiddlewarePassTest.php b/tests/DependencyInjection/Compiler/RemoveLoggingMiddlewarePassTest.php
index cdbca1a14..124e567c5 100644
--- a/tests/DependencyInjection/Compiler/RemoveLoggingMiddlewarePassTest.php
+++ b/tests/DependencyInjection/Compiler/RemoveLoggingMiddlewarePassTest.php
@@ -46,7 +46,7 @@ private function createContainer(): ContainerBuilder
 
         $container->addCompilerPass(new RemoveLoggingMiddlewarePass());
         $container->addCompilerPass(new class implements CompilerPassInterface {
-            public function process(ContainerBuilder $container)
+            public function process(ContainerBuilder $container): void
             {
                 if (! $container->hasDefinition('doctrine.dbal.logging_middleware')) {
                     return;