diff --git a/package-lock.json b/package-lock.json
index e7080c4..331a220 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -160,7 +160,8 @@
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       "version": "0.12.2",
       "resolved": "https://registry.npmjs.org/@types/caseless/-/caseless-0.12.2.tgz",
-      "integrity": "sha512-6ckxMjBBD8URvjB6J3NcnuAn5Pkl7t3TizAg+xdlzzQGSPSmBcXf8KoIH0ua/i+tio+ZRUHEXp0HEmvaR4kt0w=="
+      "integrity": "sha512-6ckxMjBBD8URvjB6J3NcnuAn5Pkl7t3TizAg+xdlzzQGSPSmBcXf8KoIH0ua/i+tio+ZRUHEXp0HEmvaR4kt0w==",
+      "dev": true
     },
     "@types/chai": {
       "version": "4.1.7",
@@ -178,6 +179,7 @@
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/@types/form-data/-/form-data-2.2.1.tgz",
       "integrity": "sha512-JAMFhOaHIciYVh8fb5/83nmuO/AHwmto+Hq7a9y8FzLDcC1KCU344XDOMEmahnrTFlHjgh4L0WJFczNIX2GxnQ==",
+      "dev": true,
       "requires": {
         "@types/node": "*"
       }
@@ -244,12 +246,14 @@
     "@types/node": {
       "version": "11.13.6",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-11.13.6.tgz",
-      "integrity": "sha512-Xoo/EBzEe8HxTSwaZNLZjaW6M6tA/+GmD3/DZ6uo8qSaolE/9Oarko0oV1fVfrLqOz0tx0nXJB4rdD5c+vixLw=="
+      "integrity": "sha512-Xoo/EBzEe8HxTSwaZNLZjaW6M6tA/+GmD3/DZ6uo8qSaolE/9Oarko0oV1fVfrLqOz0tx0nXJB4rdD5c+vixLw==",
+      "dev": true
     },
     "@types/request": {
       "version": "2.48.1",
       "resolved": "https://registry.npmjs.org/@types/request/-/request-2.48.1.tgz",
       "integrity": "sha512-ZgEZ1TiD+KGA9LiAAPPJL68Id2UWfeSO62ijSXZjFJArVV+2pKcsVHmrcu+1oiE3q6eDGiFiSolRc4JHoerBBg==",
+      "dev": true,
       "requires": {
         "@types/caseless": "*",
         "@types/form-data": "*",
@@ -261,6 +265,7 @@
       "version": "1.0.16",
       "resolved": "https://registry.npmjs.org/@types/request-promise-native/-/request-promise-native-1.0.16.tgz",
       "integrity": "sha512-gbLf6cg1XGBU8BObOgs5VkCQo5JFz2GstgZjyE4FRbig/jiCEdiynu2fCzJlw3qYPuoj59spKnvuRLN4PsMvhA==",
+      "dev": true,
       "requires": {
         "@types/request": "*"
       }
@@ -284,7 +289,8 @@
     "@types/tough-cookie": {
       "version": "2.3.5",
       "resolved": "https://registry.npmjs.org/@types/tough-cookie/-/tough-cookie-2.3.5.tgz",
-      "integrity": "sha512-SCcK7mvGi3+ZNz833RRjFIxrn4gI1PPR3NtuIS+6vMkvmsGjosqTJwRt5bAEFLRz+wtJMWv8+uOnZf2hi2QXTg=="
+      "integrity": "sha512-SCcK7mvGi3+ZNz833RRjFIxrn4gI1PPR3NtuIS+6vMkvmsGjosqTJwRt5bAEFLRz+wtJMWv8+uOnZf2hi2QXTg==",
+      "dev": true
     },
     "@typescript-eslint/eslint-plugin": {
       "version": "1.7.0",
@@ -2689,9 +2695,9 @@
       "dev": true
     },
     "highlight.js": {
-      "version": "9.15.6",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.15.6.tgz",
-      "integrity": "sha512-zozTAWM1D6sozHo8kqhfYgsac+B+q0PmsjXeyDrYIHHcBN0zTVT66+s2GW1GZv7DbyaROdLXKdabwS/WqPyIdQ==",
+      "version": "9.18.5",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.18.5.tgz",
+      "integrity": "sha512-a5bFyofd/BHCX52/8i8uJkjr9DYwXIPnM/plwI6W7ezItLGqzt7X2G2nXuYSfsIJdkwwj/g9DG1LkcGJI/dDoA==",
       "dev": true
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     "hosted-git-info": {