diff --git a/composer.json b/composer.json
index 097d9e4..388bae6 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "league/oauth2-client": "^1.0"
+        "league/oauth2-client": "^1.0 | ^2.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^4.8 || ^5.0",