diff --git a/package.json b/package.json
index 6c5f244..928612a 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "react": "^15.6.1",
     "react-dom": "^15.6.1",
     "react-router": "^4.1.2",
-    "simple-oauth2": "^1.3.0",
+    "simple-oauth2": "^2.0.0",
     "todomvc-app-css": "^2.0.4",
     "todomvc-common": "^1.0.2",
     "whatwg-fetch": "^2.0.3"