diff --git a/composer.json b/composer.json
index ee94eca..43dfc39 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
     "php": ">=7.1",
     "symfony/config": "^4.1",
     "symfony/yaml": "^4.1",
-    "php-di/php-di": "^6.0",
+    "php-di/php-di": "^7.0",
     "adbario/php-dot-notation": "2.2.0",
     "ext-mysqli": "^7.1"
   },