diff --git a/package.json b/package.json
index b312ecf..c1d09b8 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,6 @@
     "dotenv": "^2.0.0",
     "express": "^4.15.2",
     "randomstring": "^1.1.5",
-    "simple-oauth2": "^1.2.0"
+    "simple-oauth2": "^5.0.0"
   }
 }