diff --git a/package-lock.json b/package-lock.json
index 1046e16..4fdd7ef 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,15 +28,6 @@
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       }
     },
-    "agent-base": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-2.1.1.tgz",
-      "integrity": "sha1-1t4Q1a9hMtW9aSQn1G/FOFOQlMc=",
-      "requires": {
-        "extend": "3.0.2",
-        "semver": "5.0.3"
-      }
-    },
     "ajv": {
       "version": "6.5.5",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.5.5.tgz",
@@ -568,7 +559,7 @@
       "dependencies": {
         "shelljs": {
           "version": "0.6.1",
-          "resolved": "http://registry.npmjs.org/shelljs/-/shelljs-0.6.1.tgz",
+          "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.6.1.tgz",
           "integrity": "sha1-7GIRvtGSBEIIj+D3Cyg3Iy7SyKg=",
           "dev": true
         }
@@ -927,11 +918,35 @@
       }
     },
     "https-proxy-agent": {
-      "version": ">=2.2.0",
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-5.0.1.tgz",
+      "integrity": "sha512-dFcAjpTQFgoLMzC2VwU+C/CbS7uRL0lWmxDITmqm7C+7F0Odmj6s9l6alZc6AELXhrnggM2CeWSXHGOdX2YtwA==",
       "requires": {
-        "agent-base": "2.1.1",
-        "debug": "2.6.9",
-        "extend": "3.0.2"
+        "agent-base": "6",
+        "debug": "4"
+      },
+      "dependencies": {
+        "agent-base": {
+          "version": "6.0.2",
+          "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz",
+          "integrity": "sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==",
+          "requires": {
+            "debug": "4"
+          }
+        },
+        "debug": {
+          "version": "4.3.4",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+          "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
+          "requires": {
+            "ms": "2.1.2"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        }
       }
     },
     "iconv-lite": {
@@ -1216,7 +1231,7 @@
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       "dev": true,
       "requires": {
-        "moment": "2.23.0"
+        "moment": ">= 2.9.0"
       }
     },
     "ms": {
@@ -1577,11 +1592,6 @@
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
-    "semver": {
-      "version": "5.0.3",
-      "resolved": "http://registry.npmjs.org/semver/-/semver-5.0.3.tgz",
-      "integrity": "sha1-d0Zt5YnNXTyV8TiqeLxWmjy10no="
-    },
     "send": {
       "version": "0.16.2",
       "resolved": "https://registry.npmjs.org/send/-/send-0.16.2.tgz",
@@ -1729,7 +1739,7 @@
     },
     "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": {