diff --git a/package-lock.json b/package-lock.json
index 4139b48..5e2aef5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,11 +10,12 @@
       "integrity": "sha1-3wEKoSh+Fku9pvlyOwqWoexBh6E="
     },
     "async": {
-      "version": "2.1.4",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.1.4.tgz",
-      "integrity": "sha1-LSFgx3iAMuTdbL4lAvH5osj2zeQ=",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
+      "dev": true,
       "requires": {
-        "lodash": "^4.14.0"
+        "lodash": "^4.17.14"
       }
     },
     "balanced-match": {
@@ -148,6 +149,16 @@
       "integrity": "sha1-e4YD02GcKOOMsP56T2PDrLgNUWM=",
       "requires": {
         "async": "2.1.4"
+      },
+      "dependencies": {
+        "async": {
+          "version": "2.1.4",
+          "resolved": "https://registry.npmjs.org/async/-/async-2.1.4.tgz",
+          "integrity": "sha1-LSFgx3iAMuTdbL4lAvH5osj2zeQ=",
+          "requires": {
+            "lodash": "^4.14.0"
+          }
+        }
       }
     },
     "glob": {
@@ -279,9 +290,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.14",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.14.tgz",
-      "integrity": "sha512-mmKYbW3GLuJeX+iGP+Y7Gp1AiGHGbXHCOh/jZmrawMmsE7MS4znI3RL2FsjbqOyMayHInjOeykW7PEajUk1/xw=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "lodash._baseassign": {
       "version": "3.2.0",