diff --git a/package-lock.json b/package-lock.json
index 8e9e988..a6d8e7e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -848,9 +848,9 @@
             "dev": true
         },
         "async": {
-            "version": "2.6.3",
-            "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-            "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+            "version": "2.6.4",
+            "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+            "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
             "dev": true,
             "requires": {
                 "lodash": "^4.17.14"