diff --git a/simple-conversation/package.json b/simple-conversation/package.json
index af8eab7..a180959 100755
--- a/simple-conversation/package.json
+++ b/simple-conversation/package.json
@@ -9,6 +9,6 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "nexmo-client": "^4.0.0"
+    "nexmo-client": "^5.0.0"
   }
 }