diff --git a/package-lock.json b/package-lock.json
index a64bd0a..d3f2445 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -485,6 +485,13 @@
       "integrity": "sha1-WiUEe8dvcwcmZ8jLUsmJiI9JTGM=",
       "requires": {
         "bluebird": "^3.1.1"
+      },
+      "dependencies": {
+        "bluebird": {
+          "version": "3.7.2",
+          "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
+          "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg=="
+        }
       }
     },
     "constantinople": {
@@ -1128,29 +1135,37 @@
       }
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-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.0.10.tgz",
-      "integrity": "sha1-PTDHGLCaPZbyPqTMH0A8TTup/08=",
-      "requires": {
-        "async": "^1.4.0",
-        "optimist": "^0.6.1",
-        "source-map": "^0.4.4",
-        "uglify-js": "^2.6"
+      "version": "4.7.7",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.7.tgz",
+      "integrity": "sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==",
+      "requires": {
+        "minimist": "^1.2.5",
+        "neo-async": "^2.6.0",
+        "source-map": "^0.6.1",
+        "uglify-js": "^3.1.4",
+        "wordwrap": "^1.0.0"
       },
       "dependencies": {
-        "async": {
-          "version": "1.5.2",
-          "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
-          "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo="
+        "minimist": {
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
         },
-        "optimist": {
+        "source-map": {
           "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
-          "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
-          "requires": {
-            "minimist": "~0.0.1",
-            "wordwrap": "~0.0.2"
-          }
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="
+        },
+        "uglify-js": {
+          "version": "3.13.10",
+          "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.13.10.tgz",
+          "integrity": "sha512-57H3ACYFXeo1IaZ1w02sfA71wI60MGco/IQFjOqK+WtKoprh7Go2/yvd2HPtoJILO2Or84ncLccI4xoHMTSbGg==",
+          "optional": true
+        },
+        "wordwrap": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+          "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus="
         }
       }
     },
@@ -1921,6 +1936,11 @@
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       "integrity": "sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk="
     },
+    "neo-async": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.2.tgz",
+      "integrity": "sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw=="
+    },
     "nested-error-stacks": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/nested-error-stacks/-/nested-error-stacks-1.0.2.tgz",