diff --git a/sample/package.json b/sample/package.json
index 80234eaa..1b4321f0 100644
--- a/sample/package.json
+++ b/sample/package.json
@@ -17,7 +17,7 @@
     "ejs": "^3.1.9",
     "express": "^4.14.0",
     "express-session": "^1.14.2",
-    "intuit-oauth": "^3.0.1",
+    "intuit-oauth": "^4.1.0",
     "ngrok": "^5.0.0-beta.2",
     "path": "^0.12.7"
   },