diff --git a/package-lock.json b/package-lock.json
index 1aeac12..ae953fa 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -88,9 +88,12 @@
       "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c="
     },
     "async": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/async/-/async-1.5.0.tgz",
-      "integrity": "sha1-J5ZkJyNXOFlWVjP8YnRES+4vjOM="
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
+      "requires": {
+        "lodash": "^4.17.14"
+      }
     },
     "async-each": {
       "version": "1.0.3",
@@ -1767,6 +1770,11 @@
       "resolved": "https://registry.npmjs.org/lazy/-/lazy-1.0.11.tgz",
       "integrity": "sha1-2qBoIGKCVCwIgojpdcKXwa53tpA="
     },
+    "lodash": {
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
+    },
     "map-cache": {
       "version": "0.2.2",
       "resolved": "https://registry.npmjs.org/map-cache/-/map-cache-0.2.2.tgz",