diff --git a/package-lock.json b/package-lock.json
index bbf5a83..e636bbd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4477,21 +4477,26 @@
       "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM="
     },
     "jshint": {
-      "version": "2.10.2",
-      "resolved": "https://registry.npmjs.org/jshint/-/jshint-2.10.2.tgz",
-      "integrity": "sha512-e7KZgCSXMJxznE/4WULzybCMNXNAd/bf5TSrvVEq78Q/K8ZwFpmBqQeDtNiHc3l49nV4E/+YeHU/JZjSUIrLAA==",
+      "version": "2.13.4",
+      "resolved": "https://registry.npmjs.org/jshint/-/jshint-2.13.4.tgz",
+      "integrity": "sha512-HO3bosL84b2qWqI0q+kpT/OpRJwo0R4ivgmxaO848+bo10rc50SkPnrtwSFXttW0ym4np8jbJvLwk5NziB7jIw==",
       "optional": true,
       "requires": {
         "cli": "~1.0.0",
         "console-browserify": "1.1.x",
         "exit": "0.1.x",
         "htmlparser2": "3.8.x",
-        "lodash": "~4.17.11",
+        "lodash": "~4.17.21",
         "minimatch": "~3.0.2",
-        "shelljs": "0.3.x",
         "strip-json-comments": "1.0.x"
       },
       "dependencies": {
+        "lodash": {
+          "version": "4.17.21",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+          "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
+          "optional": true
+        },
         "strip-json-comments": {
           "version": "1.0.4",
           "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-1.0.4.tgz",
@@ -9757,12 +9762,6 @@
       "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=",
       "dev": true
     },
-    "shelljs": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.3.0.tgz",
-      "integrity": "sha1-NZbmMHp4FUT1kfN9phg2DzHbV7E=",
-      "optional": true
-    },
     "signal-exit": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",