diff --git a/src/Symfony/Component/Cache/composer.json b/src/Symfony/Component/Cache/composer.json
index 05bed1cf75485..eec8d828d84e5 100644
--- a/src/Symfony/Component/Cache/composer.json
+++ b/src/Symfony/Component/Cache/composer.json
@@ -24,6 +24,7 @@
         "php": "^7.1.3",
         "psr/cache": "~1.0",
         "psr/log": "~1.0",
+        "psr/simple-cache": "~1.0",
         "symfony/cache-contracts": "^1.1",
         "symfony/service-contracts": "^1.1",
         "symfony/var-exporter": "^4.2"