diff --git a/composer.json b/composer.json
index bb2808b8..9374722b 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
     "type": "project",
     "require": {
         "php": "~8.2.0 || ~8.3.0 || ~8.4.0",
-        "symfony/console": "^5.4.31 || ^6.3",
+        "symfony/console": "^6.4.18 || ^7.2",
         "psr/container": "^2.0"
     },
     "require-dev": {
diff --git a/src/Cli/Application.php b/src/Cli/Application.php
index 8fd96087..7f254328 100644
--- a/src/Cli/Application.php
+++ b/src/Cli/Application.php
@@ -27,7 +27,7 @@ public function __construct(string $version, ServiceContainer $serviceContainer)
         $this->setCommandLoader($this->createCommandLoader($serviceContainer));
     }
 
-    public function doRun(InputInterface $input, OutputInterface $output)
+    public function doRun(InputInterface $input, OutputInterface $output): int
     {
         $this->serviceContainer->set(InputInterface::class, $input);
         $this->serviceContainer->set(OutputInterface::class, $output);
diff --git a/src/Cli/Command/InstallCommand.php b/src/Cli/Command/InstallCommand.php
index 18630365..f6c53fc9 100644
--- a/src/Cli/Command/InstallCommand.php
+++ b/src/Cli/Command/InstallCommand.php
@@ -37,7 +37,7 @@ protected function configure()
         $this->addOption('tag', 't', InputOption::VALUE_REQUIRED|InputOption::VALUE_IS_ARRAY, 'Tool tags to filter by', $this->defaultTag());
     }
 
-    protected function execute(InputInterface $input, OutputInterface $output)
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
         return $this->runner->run(\call_user_func($this->useCase, new Filter($input->getOption('exclude-tag'), $input->getOption('tag'))));
     }
diff --git a/src/Cli/Command/ListCommand.php b/src/Cli/Command/ListCommand.php
index 9ee4f9ab..7d3ea273 100644
--- a/src/Cli/Command/ListCommand.php
+++ b/src/Cli/Command/ListCommand.php
@@ -34,7 +34,7 @@ protected function configure()
         $this->addOption('tag', 't', InputOption::VALUE_REQUIRED|InputOption::VALUE_IS_ARRAY, 'Tool tags to filter by', $this->defaultTag());
     }
 
-    protected function execute(InputInterface $input, OutputInterface $output)
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
         $tools = \call_user_func($this->listTools, new Filter($input->getOption('exclude-tag'), $input->getOption('tag')));
 
diff --git a/src/Cli/Command/TestCommand.php b/src/Cli/Command/TestCommand.php
index 5192b834..1443a65a 100644
--- a/src/Cli/Command/TestCommand.php
+++ b/src/Cli/Command/TestCommand.php
@@ -37,7 +37,7 @@ protected function configure()
         $this->addOption('tag', 't', InputOption::VALUE_REQUIRED|InputOption::VALUE_IS_ARRAY, 'Tool tags to filter by', $this->defaultTag());
     }
 
-    protected function execute(InputInterface $input, OutputInterface $output)
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
         return $this->runner->run(\call_user_func($this->useCase, new Filter($input->getOption('exclude-tag'), $input->getOption('tag'))));
     }