diff --git a/package-lock.json b/package-lock.json
index 29efb9c..ec7fb67 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4357,7 +4357,7 @@
         },
         "readable-stream": {
           "version": "1.1.14",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
           "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
           "dev": true,
           "requires": {
@@ -6838,7 +6838,7 @@
         },
         "os-locale": {
           "version": "1.4.0",
-          "resolved": "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
+          "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
           "integrity": "sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=",
           "dev": true,
           "requires": {
@@ -6858,7 +6858,7 @@
         },
         "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=",
           "dev": true,
           "requires": {
@@ -6867,7 +6867,7 @@
         },
         "yargs": {
           "version": "3.32.0",
-          "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.32.0.tgz",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.32.0.tgz",
           "integrity": "sha1-AwiOnr+edWtpdRYR0qXvWRSCyZU=",
           "dev": true,
           "requires": {
@@ -7276,7 +7276,7 @@
     },
     "p-is-promise": {
       "version": "1.1.0",
-      "resolved": "http://registry.npmjs.org/p-is-promise/-/p-is-promise-1.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/p-is-promise/-/p-is-promise-1.1.0.tgz",
       "integrity": "sha1-nJRWmJ6fZYgBewQ01WCXZ1w9oF4=",
       "dev": true
     },
@@ -10320,9 +10320,9 @@
       }
     },
     "terser": {
-      "version": "4.6.4",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.6.4.tgz",
-      "integrity": "sha512-5fqgBPLgVHZ/fVvqRhhUp9YUiGXhFJ9ZkrZWD9vQtFBR4QIGTnbsb+/kKqSqfgp3WnBwGWAFnedGTtmX1YTn0w==",
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.1.tgz",
+      "integrity": "sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",
@@ -10343,9 +10343,9 @@
           "dev": true
         },
         "source-map-support": {
-          "version": "0.5.16",
-          "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.16.tgz",
-          "integrity": "sha512-efyLRJDr68D9hBBNIPWFjhpFzURh+KJykQwvMyW5UiZzYwoF6l4YMMDIJJEyFWxWCqfyxLzz6tSfUFR+kXXsVQ==",
+          "version": "0.5.21",
+          "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.21.tgz",
+          "integrity": "sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==",
           "dev": true,
           "requires": {
             "buffer-from": "^1.0.0",
@@ -10619,7 +10619,7 @@
         },
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         },