diff --git a/composer.json b/composer.json
index 1c95f04..38524f4 100755
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     }
   },
   "require": {
-    "guzzlehttp/oauth-subscriber": "^0.3.0"
+    "guzzlehttp/oauth-subscriber": "^0.5.0"
   },
   "extra": {
     "branch-alias": {