diff --git a/composer.json b/composer.json
index 8c0ed89e..2aa61bfc 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
         "iron-io/iron_mq": "~1.4",
         "aws/aws-sdk-php": "~2.4|~3.0",
         "pda/pheanstalk": "~3.0",
-        "league/container": "~1.0",
+        "league/container": "~1.0 || ~2.0",
         "php-amqplib/php-amqplib": "~2.5",
         "phpspec/phpspec": "~2.0"
     },