diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 761809b..595dd4c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,6 +35,9 @@ jobs:
           - php: '8.2'
             env:
               SYMFONY_REQUIRE: "*"
+          - php: '8.3'
+            env:
+              SYMFONY_REQUIRE: "*"
           - php: '7.2'
             env:
               COMPOSER_FLAGS: "--prefer-lowest"
diff --git a/src/DependencyInjection/RokkaClientExtension.php b/src/DependencyInjection/RokkaClientExtension.php
index 8320c97..dd7d18b 100644
--- a/src/DependencyInjection/RokkaClientExtension.php
+++ b/src/DependencyInjection/RokkaClientExtension.php
@@ -50,7 +50,7 @@ public function load(array $configs, ContainerBuilder $container): void
         // set the command name prefix argument for rokka commands
         // we need to loop over all services of this bundle, if we use findTaggedServiceIds, things explode later inside Symfony.
         foreach ($container->getDefinitions() as $name => $definition) {
-            if (0 === strpos($name, 'rokka.command.') && $definition->hasTag('console.command')) {
+            if (str_starts_with($name, 'rokka.command.') && $definition->hasTag('console.command')) {
                 $tagAttributes = $definition->getTag('console.command')[0];
                 if (\array_key_exists('command', $tagAttributes)) {
                     if (interface_exists(CommandLoaderInterface::class)) { // since symfony 3.4