diff --git a/package-lock.json b/package-lock.json
index 0c19805..34b4f99 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2515,9 +2515,9 @@
       "integrity": "sha1-bIw/uCfdQ+45GPJ7gngqt2WKb9k="
     },
     "async": {
-      "version": "2.6.3",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-      "integrity": "sha1-1yYl4jRKNlbjo61Pp0n6gymdgv8=",
+      "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"