diff --git a/package.json b/package.json
index 9479c13..5c6956a 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "test": "npm run lint && npm run security-check && npm run coverage && npm run compile"
   },
   "dependencies": {
-    "botbuilder": "^3.0.0",
+    "botbuilder": "^4.0.6",
     "bunyan": "^1.0.0",
     "lodash": "^4.0.0",
     "restify": "^6.0.0",