diff --git a/package.json b/package.json
index 0cdcd18..ba272d6 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "sequelize": "^4.8.0",
     "serve-favicon": "^2.4.3",
     "tedious": "^2.0.0",
-    "winston": "^2.3.1"
+    "winston": "^3.0.0"
   },
   "devDependencies": {
     "@types/mocha": "^2.2.42",