diff --git a/composer.json b/composer.json
index 6e37691..34ea5b2 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,7 @@
         "marcj/topsort": "^2.0",
         "monolog/monolog": "^2.9",
         "opis/orm": "^1.0",
-        "php-di/php-di": "^6.4",
+        "php-di/php-di": "^7.0",
         "phpseclib/phpseclib": "^3.0",
         "ramsey/uuid": "^4.2.3",
         "slim/console": "^0.1.0",