diff --git a/package-lock.json b/package-lock.json
index 79dc010..97252c3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -250,6 +250,7 @@
       "version": "2.10.1",
       "resolved": "https://registry.npmjs.org/boom/-/boom-2.10.1.tgz",
       "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
+      "optional": true,
       "requires": {
         "hoek": "2.16.3"
       }
@@ -422,6 +423,7 @@
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
       "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
+      "optional": true,
       "requires": {
         "delayed-stream": "1.0.0"
       }
@@ -511,7 +513,8 @@
     "delayed-stream": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
-      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
+      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
+      "optional": true
     },
     "deprecated": {
       "version": "0.0.1",
@@ -683,7 +686,8 @@
     "extsprintf": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
-      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
+      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
+      "optional": true
     },
     "eyes": {
       "version": "0.1.8",
@@ -1039,6 +1043,11 @@
         "through2": "2.0.3"
       },
       "dependencies": {
+        "lodash": {
+          "version": "4.17.5",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.5.tgz",
+          "integrity": "sha512-svL3uiZf1RwhH+cWrfZn3A4+U58wbP0tGVTLQPbjplZxZ8ROD9VLuNgsRniTlLe7OlSqR79RUehXgpBW/s0IQw=="
+        },
         "minimatch": {
           "version": "3.0.4",
           "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
@@ -1198,6 +1207,11 @@
             "through2": "2.0.3"
           }
         },
+        "lodash": {
+          "version": "4.17.5",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.5.tgz",
+          "integrity": "sha512-svL3uiZf1RwhH+cWrfZn3A4+U58wbP0tGVTLQPbjplZxZ8ROD9VLuNgsRniTlLe7OlSqR79RUehXgpBW/s0IQw=="
+        },
         "node-notifier": {
           "version": "5.0.2",
           "resolved": "https://registry.npmjs.org/node-notifier/-/node-notifier-5.0.2.tgz",
@@ -1741,9 +1755,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.5",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.5.tgz",
-      "integrity": "sha512-svL3uiZf1RwhH+cWrfZn3A4+U58wbP0tGVTLQPbjplZxZ8ROD9VLuNgsRniTlLe7OlSqR79RUehXgpBW/s0IQw=="
+      "version": "4.17.19",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ=="
     },
     "lodash-deep": {
       "version": "1.6.0",
@@ -1751,6 +1765,13 @@
       "integrity": "sha1-p85nJ1lHK5HRKxk8adiiSgLYQo0=",
       "requires": {
         "lodash": "4.17.5"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.5",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.5.tgz",
+          "integrity": "sha512-svL3uiZf1RwhH+cWrfZn3A4+U58wbP0tGVTLQPbjplZxZ8ROD9VLuNgsRniTlLe7OlSqR79RUehXgpBW/s0IQw=="
+        }
       }
     },
     "lodash._basecopy": {
@@ -1981,12 +2002,14 @@
     "mime-db": {
       "version": "1.33.0",
       "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.33.0.tgz",
-      "integrity": "sha512-BHJ/EKruNIqJf/QahvxwQZXKygOQ256myeN/Ew+THcAa5q+PjyTTMMeNQC4DZw5AwfvelsUrA6B67NKMqXDbzQ=="
+      "integrity": "sha512-BHJ/EKruNIqJf/QahvxwQZXKygOQ256myeN/Ew+THcAa5q+PjyTTMMeNQC4DZw5AwfvelsUrA6B67NKMqXDbzQ==",
+      "optional": true
     },
     "mime-types": {
       "version": "2.1.18",
       "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.18.tgz",
       "integrity": "sha512-lc/aahn+t4/SWV/qcmumYjymLsWfN3ELhpmVuUFjgsORruuZPVSwAQryq+HHGvO/SI2KVX26bx+En+zhM8g8hQ==",
+      "optional": true,
       "requires": {
         "mime-db": "1.33.0"
       }
diff --git a/package.json b/package.json
index 1d3caf6..50197dc 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "jshint": "^2.9.5",
     "jshint-stylish": "^2.2.1",
     "less-plugin-clean-css": "^1.5.1",
-    "lodash": "^4.17.5",
+    "lodash": "^4.17.19",
     "lodash.template": "^4.4.0",
     "semver": "^5.5.0",
     "through2": "^2.0.3",