diff --git a/package.json b/package.json
index 71faa8d0..2279c195 100644
--- a/package.json
+++ b/package.json
@@ -82,7 +82,7 @@
     "morgan": "^1.9.0",
     "nodemailer": "^4.6.8",
     "oauth-1.0a": "^1.0.1",
-    "pm2": "^2.10.4",
+    "pm2": "^4.0.0",
     "query-string": "^6.8.3",
     "redis-tag-cache": "^1.2.1",
     "request": "^2.85.0",