diff --git a/src/OpenApi/Command/OpenApiCommand.php b/src/OpenApi/Command/OpenApiCommand.php
index 61368197ddb..30802a482e6 100644
--- a/src/OpenApi/Command/OpenApiCommand.php
+++ b/src/OpenApi/Command/OpenApiCommand.php
@@ -43,8 +43,8 @@ protected function configure(): void
         $this
             ->setDescription('Dump the Open API documentation')
             ->addOption('yaml', 'y', InputOption::VALUE_NONE, 'Dump the documentation in YAML')
-            ->addOption('output', 'o', InputOption::VALUE_OPTIONAL, 'Write output to file')
-            ->addOption('spec-version', null, InputOption::VALUE_OPTIONAL, 'Open API version to use (2 or 3) (2 is deprecated)', '3')
+            ->addOption('output', 'o', InputOption::VALUE_REQUIRED, 'Write output to file')
+            ->addOption('spec-version', null, InputOption::VALUE_REQUIRED, 'Open API version to use (2 or 3) (2 is deprecated)', '3')
             ->addOption('api-gateway', null, InputOption::VALUE_NONE, 'Enable the Amazon API Gateway compatibility mode')
             ->addOption('filter-tags', null, InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY, 'Filter only matching x-apiplatform-tag operations', null);
     }