diff --git a/DependencyInjection/Compiler/GridPass.php b/DependencyInjection/Compiler/GridPass.php
index 5ec41880..d3661469 100644
--- a/DependencyInjection/Compiler/GridPass.php
+++ b/DependencyInjection/Compiler/GridPass.php
@@ -20,7 +20,7 @@ class GridPass implements CompilerPassInterface
      *
      * @api
      */
-    public function process(ContainerBuilder $container)
+    public function process(ContainerBuilder $container): void
     {
         if (!$container->hasDefinition('apy_grid.registry')) {
             return;
diff --git a/DependencyInjection/Compiler/TranslationPass.php b/DependencyInjection/Compiler/TranslationPass.php
index eda45711..514f51eb 100644
--- a/DependencyInjection/Compiler/TranslationPass.php
+++ b/DependencyInjection/Compiler/TranslationPass.php
@@ -16,7 +16,7 @@ class TranslationPass implements CompilerPassInterface
     /**
      * {@inheritdoc}
      */
-    public function process(ContainerBuilder $container)
+    public function process(ContainerBuilder $container): void
     {
         if (!$container->hasDefinition('jms_translation.extractor.file_extractor')) {
             return;