diff --git a/package.json b/package.json
index 6cb19600..fea313b0 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
   },
   "dependencies": {
     "@slack/client": "^3.4.0",
-    "lodash": "^3.10.1"
+    "lodash": "^4.17.5"
   },
   "devDependencies": {
     "hubot": "~2.11",