diff --git a/server/package-lock.json b/server/package-lock.json
index a6e1a3c..c77c848 100644
--- a/server/package-lock.json
+++ b/server/package-lock.json
@@ -30,7 +30,7 @@
     },
     "@sinonjs/formatio": {
       "version": "2.0.0",
-      "resolved": "http://registry.npmjs.org/@sinonjs/formatio/-/formatio-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/@sinonjs/formatio/-/formatio-2.0.0.tgz",
       "integrity": "sha512-ls6CAMA6/5gG+O/IdsBcblvnd8qcO/l1TYoNeAzp3wcISOxlPXQEus0mLcdwazEkWjaBdaJ3TaxmNgCLWwvWzg==",
       "dev": true,
       "requires": {
@@ -401,7 +401,7 @@
     },
     "async": {
       "version": "1.5.2",
-      "resolved": "http://registry.npmjs.org/async/-/async-1.5.2.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
       "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo="
     },
     "async-listener": {
@@ -728,7 +728,7 @@
     },
     "chalk": {
       "version": "1.1.3",
-      "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
       "requires": {
         "ansi-styles": "^2.2.1",
@@ -867,7 +867,7 @@
     },
     "commander": {
       "version": "2.15.1",
-      "resolved": "http://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
       "integrity": "sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag==",
       "dev": true
     },
@@ -1201,7 +1201,7 @@
       "dependencies": {
         "lodash": {
           "version": "2.4.2",
-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-2.4.2.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-2.4.2.tgz",
           "integrity": "sha1-+t2DS5aDBz2hebPq5tnA0VBT9z4="
         }
       }
@@ -1843,9 +1843,9 @@
       "dev": true
     },
     "highlight.js": {
-      "version": "9.13.0",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.13.0.tgz",
-      "integrity": "sha512-2B90kcNnErqRTmzdZw6IPLEC9CdsiIMhj+r8L3LJKRCgtEJ+LY5yzWuQCVnADTI0wwocQinFzaaL/JjTQNqI/g==",
+      "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
     },
     "hmac-drbg": {
@@ -2880,6 +2880,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2",
             "longest": "^1.0.1",
@@ -4062,7 +4063,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "loose-envify": {
           "version": "1.3.1",
@@ -6464,7 +6466,7 @@
     },
     "strip-ansi": {
       "version": "3.0.1",
-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "requires": {
         "ansi-regex": "^2.0.0"
@@ -6814,7 +6816,7 @@
       "dependencies": {
         "@types/lodash": {
           "version": "4.14.104",
-          "resolved": "http://registry.npmjs.org/@types/lodash/-/lodash-4.14.104.tgz",
+          "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.104.tgz",
           "integrity": "sha512-ufQcVg4daO8xQ5kopxRHanqFdL4AI7ondQkV+2f+7mz3gvp0LkBx2zBRC6hfs3T87mzQFmf5Fck7Fi145Ul6NQ==",
           "dev": true
         },
@@ -6831,7 +6833,7 @@
         },
         "typescript": {
           "version": "2.7.2",
-          "resolved": "http://registry.npmjs.org/typescript/-/typescript-2.7.2.tgz",
+          "resolved": "https://registry.npmjs.org/typescript/-/typescript-2.7.2.tgz",
           "integrity": "sha512-p5TCYZDAO0m4G344hD+wx/LATebLWZNkkh2asWUFqSsD2OrDNhbAHuSjobrmsUmdzjJjEeZVU9g1h3O6vpstnw==",
           "dev": true
         }