diff --git a/composer.json b/composer.json
index 012fa4d..3e512b0 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
     ],
     "require": {
         "php" : "~5.4",
-        "league/oauth2-client": "~0.5"
+        "league/oauth2-client": "^1.4"
     },
     "require-dev": {
         "phpunit/phpunit" : "~4.6",