diff --git a/package.json b/package.json
index 045564e92..79017e82a 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "alt": "^0.16.2",
     "ansi-to-html": "0.3.0",
     "any-promise": "^0.1.0",
-    "async": "^1.4.2",
+    "async": "^3.2.2",
     "bluebird": "^2.9.24",
     "bugsnag-js": "^2.4.7",
     "classnames": "^2.1.5",