diff --git a/package.json b/package.json
index 1180f08..97c6389 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   },
   "homepage": "https://github.com/tejitak/node-line-bot-api#readme",
   "dependencies": {
-    "superagent": "^2.3.0"
+    "superagent": "^6.1.0"
   },
   "devDependencies": {
     "body-parser": "^1.15.2",