diff --git a/package.json b/package.json
index bd8b0f01..18c6fba8 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     ]
   },
   "dependencies": {
-    "async": "2.5.0",
+    "async": "2.6.0",
     "body-parser": "1.18.2",
     "cookie-parser": "1.4.3",
     "debug": "3.1.0",