diff --git a/package.json b/package.json
index 4fa94a1..81d3bf5 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
   },
   "dependencies": {
     "bluebird": "^3.5.0",
-    "ioredis": "^3.1.4"
+    "ioredis": "^4.0.2"
   },
   "engines": {
     "node": ">=6.10.0"