diff --git a/package-lock.json b/package-lock.json
index f77f4ac..279eb50 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -47,15 +47,6 @@
         }
       }
     },
-    "agent-base": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.1.2.tgz",
-      "integrity": "sha512-VE6QoEdaugY86BohRtfGmTDabxdU5sCKOkbcPA6PXKJsRzEi/7A3RCTxJal1ft/4qSfPht5/iQLhMh/wzSkkNw==",
-      "dev": true,
-      "requires": {
-        "es6-promisify": "^5.0.0"
-      }
-    },
     "agentkeepalive": {
       "version": "3.4.1",
       "resolved": "https://registry.npmjs.org/agentkeepalive/-/agentkeepalive-3.4.1.tgz",
@@ -1559,22 +1550,22 @@
       "dev": true
     },
     "https-proxy-agent": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-2.1.0.tgz",
-      "integrity": "sha512-/DTVSUCbRc6AiyOV4DBRvPDpKKCJh4qQJNaCgypX0T41quD9hp/PB5iUyx/60XobuMPQa9ce1jNV9UOUq6PnTg==",
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-2.2.4.tgz",
+      "integrity": "sha512-OmvfoQ53WLjtA9HeYP9RNrWMJzzAz1JGaSFr1nijg0PVR1JaD/xbJq1mdEIIlxGpXp9eSe/O2LgU9DJmTPd0Eg==",
       "dev": true,
       "requires": {
-        "agent-base": "^4.1.0",
-        "debug": "^2.4.1"
+        "agent-base": "^4.3.0",
+        "debug": "^3.1.0"
       },
       "dependencies": {
-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+        "agent-base": {
+          "version": "4.3.0",
+          "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.3.0.tgz",
+          "integrity": "sha512-salcGninV0nPrwpGNn4VTXBb1SOuXQBiqbrNXoeizJsHrsL6ERFM2Ne3JUSBWRE6aeNJI2ROP/WEEIDUiDe3cg==",
           "dev": true,
           "requires": {
-            "ms": "2.0.0"
+            "es6-promisify": "^5.0.0"
           }
         }
       }
@@ -2260,6 +2251,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2",
             "longest": "^1.0.1",
@@ -3060,7 +3052,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "loose-envify": {
           "version": "1.3.1",