diff --git a/src/Symfony/Component/DependencyInjection/composer.json b/src/Symfony/Component/DependencyInjection/composer.json
index c2b2550607..d42c7a0c6c 100644
--- a/src/Symfony/Component/DependencyInjection/composer.json
+++ b/src/Symfony/Component/DependencyInjection/composer.json
@@ -29,6 +29,7 @@
     "suggest": {
         "symfony/yaml": "",
         "symfony/config": "",
+        "symfony/expression-language": "For using expressions in service container configuration",
         "symfony/proxy-manager-bridge": "Generate service proxies to lazy load them"
     },
     "autoload": {