diff --git a/package-lock.json b/package-lock.json
index 05f8e18..7481de0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -622,12 +622,18 @@
       "dev": true
     },
     "async": {
-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
-      "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
-      "optional": true,
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "requires": {
-        "lodash": "^4.17.10"
+        "lodash": "^4.17.14"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.21",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+          "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
+        }
       }
     },
     "async-each": {
@@ -880,7 +886,7 @@
         },
         "readable-stream": {
           "version": "1.0.34",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
           "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
           "optional": true,
           "requires": {
@@ -5012,14 +5018,6 @@
           "bundled": true,
           "dev": true
         },
-        "async": {
-          "version": "2.6.2",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "lodash": "^4.17.11"
-          }
-        },
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
@@ -5406,8 +5404,7 @@
         },
         "lodash": {
           "version": "4.17.11",
-          "bundled": true,
-          "dev": true
+          "bundled": true
         },
         "lodash.flattendeep": {
           "version": "4.4.0",