diff --git a/package-lock.json b/package-lock.json
index 38b4cb6..e2b5c80 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -149,7 +149,8 @@
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       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/@google-cloud/promisify/-/promisify-0.4.0.tgz",
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+      "integrity": "sha512-4yAHDC52TEMCNcMzVC8WlqnKKKq+Ssi2lXoUg9zWWkZ6U6tq9ZBRYLHHCRdfU+EU9YJsVmivwGcKYCjRGjnf4Q==",
+      "optional": true
     },
     "@google-cloud/storage": {
       "version": "1.7.0",
@@ -888,7 +889,7 @@
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     "async": {
       "version": "0.2.10",
-      "resolved": "http://registry.npmjs.org/async/-/async-0.2.10.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
       "integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E="
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@@ -922,12 +923,35 @@
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-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.18.0.tgz",
-      "integrity": "sha1-MtU+SFHv3AoRmTts0AB4nXDAUQI=",
+      "version": "0.18.1",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.18.1.tgz",
+      "integrity": "sha512-0BfJq4NSfQXd+SkFdrvFbG7addhYSBA2mQwISr46pD6E5iqkWg02RAs8vyTT/j0RTnoYmeXauBuSv1qKwR179g==",
       "requires": {
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-        "is-buffer": "^1.1.5"
+        "follow-redirects": "1.5.10",
+        "is-buffer": "^2.0.2"
+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
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+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "follow-redirects": {
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+          "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.5.10.tgz",
+          "integrity": "sha512-0V5l4Cizzvqt5D44aTXbFZz+FtyXV1vrDN6qrelxtfYQKW0KO0W2T/hkE8xvGa/540LkZlkaUjO4ailYTFtHVQ==",
+          "requires": {
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+          }
+        },
+        "is-buffer": {
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+          "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.5.tgz",
+          "integrity": "sha512-i2R6zNFDwgEHJyQUtJEk0XFi1i0dPFn/oqjK3/vPCcDeJvW5NQ83V8QbicfF1SupOaB0h8ntgBC2YiE7dfyctQ=="
+        }
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@@ -1057,7 +1081,8 @@
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-      "integrity": "sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ=="
+      "integrity": "sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ==",
+      "optional": true
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@@ -1420,7 +1445,7 @@
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-      "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
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@@ -1509,7 +1534,8 @@
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+              "bundled": true,
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@@ -1527,11 +1553,13 @@
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+              "bundled": true,
+              "optional": true
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               "bundled": true,
+              "optional": true,
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@@ -1544,15 +1572,18 @@
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+              "bundled": true,
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-              "bundled": true
+              "bundled": true,
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               "version": "1.1.0",
-              "bundled": true
+              "bundled": true,
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@@ -1655,7 +1686,8 @@
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-              "bundled": true
+              "bundled": true,
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@@ -1665,6 +1697,7 @@
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               "bundled": true,
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               }
@@ -1677,17 +1710,20 @@
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               "bundled": true,
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               "requires": {
                 "brace-expansion": "^1.1.7"
               }
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             "minimist": {
               "version": "0.0.8",
-              "bundled": true
+              "bundled": true,
+              "optional": true
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               "version": "2.3.5",
               "bundled": true,
+              "optional": true,
               "requires": {
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@@ -1704,6 +1740,7 @@
             "mkdirp": {
               "version": "0.5.1",
               "bundled": true,
+              "optional": true,
               "requires": {
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               }
@@ -1776,7 +1813,8 @@
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               "version": "1.0.1",
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+              "bundled": true,
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@@ -1786,6 +1824,7 @@
             "once": {
               "version": "1.4.0",
               "bundled": true,
+              "optional": true,
               "requires": {
                 "wrappy": "1"
               }
@@ -1861,7 +1900,8 @@
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             "safe-buffer": {
               "version": "5.1.2",
-              "bundled": true
+              "bundled": true,
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@@ -1891,6 +1931,7 @@
             "string-width": {
               "version": "1.0.2",
               "bundled": true,
+              "optional": true,
               "requires": {
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@@ -1908,6 +1949,7 @@
             "strip-ansi": {
               "version": "3.0.1",
               "bundled": true,
+              "optional": true,
               "requires": {
                 "ansi-regex": "^2.0.0"
               }
@@ -1946,11 +1988,13 @@
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             "wrappy": {
               "version": "1.0.2",
-              "bundled": true
+              "bundled": true,
+              "optional": true
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-              "bundled": true
+              "bundled": true,
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@@ -3110,7 +3154,7 @@
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         "minimist": {
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
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@@ -3761,7 +3805,8 @@
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+      "integrity": "sha512-R9bHCvweUxxwkDwhjav5vxpFvdPGlVngtqmx4pIZfSUhM/Q4NiIUHB456BAf+Q1Nwu3HEZYONtu+Rya+af4jiQ==",
+      "optional": true
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     "faye-websocket": {
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@@ -3877,7 +3922,8 @@
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+          "integrity": "sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw==",
+          "optional": true
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@@ -3937,6 +3983,7 @@
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+          "optional": true,
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@@ -3960,6 +4007,7 @@
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+          "optional": true,
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@@ -3975,7 +4023,8 @@
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               "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
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+              "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+              "optional": true
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@@ -4039,6 +4088,7 @@
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+          "optional": true,
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@@ -4078,7 +4128,8 @@
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+          "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==",
+          "optional": true
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@@ -4233,29 +4284,6 @@
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@@ -4469,7 +4497,8 @@
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+          "bundled": true,
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@@ -4487,11 +4516,13 @@
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         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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           "version": "1.1.11",
           "bundled": true,
+          "optional": true,
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@@ -4504,15 +4535,18 @@
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           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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+          "bundled": true,
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           "version": "1.1.0",
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+          "bundled": true,
+          "optional": true
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@@ -4615,7 +4649,8 @@
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         "inherits": {
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-          "bundled": true
+          "bundled": true,
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@@ -4625,6 +4660,7 @@
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           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
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           }
@@ -4637,17 +4673,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
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           }
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         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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           "version": "2.2.4",
           "bundled": true,
+          "optional": true,
           "requires": {
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@@ -4664,6 +4703,7 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
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@@ -4736,7 +4776,8 @@
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+          "bundled": true,
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@@ -4746,6 +4787,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
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@@ -4821,7 +4863,8 @@
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+          "bundled": true,
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@@ -4851,6 +4894,7 @@
         "string-width": {
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           "bundled": true,
+          "optional": true,
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@@ -4868,6 +4912,7 @@
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           "bundled": true,
+          "optional": true,
           "requires": {
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@@ -4906,11 +4951,13 @@
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+          "bundled": true,
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@@ -6482,6 +6529,7 @@
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       "integrity": "sha1-DM2RLEuCcNBfBW+9E4FLU9OCWx4=",
+      "optional": true,
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@@ -6882,7 +6930,7 @@
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
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@@ -7263,7 +7311,7 @@
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-          "resolved": "http://registry.npmjs.org/async/-/async-0.2.9.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-0.2.9.tgz",
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@@ -7313,12 +7361,12 @@
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-          "resolved": "http://registry.npmjs.org/bluebird/-/bluebird-2.11.0.tgz",
+          "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-2.11.0.tgz",
           "integrity": "sha1-U0uQM8AiyVecVro7Plpcqvu2UOE="
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         "lodash": {
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-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
           "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y="
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@@ -7382,12 +7430,12 @@
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-          "resolved": "http://registry.npmjs.org/es6-promise/-/es6-promise-2.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-2.3.0.tgz",
           "integrity": "sha1-lu258v2wGZWCKyY92KratnSBgbw="
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         "lodash": {
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-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-2.4.2.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-2.4.2.tgz",
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@@ -7533,7 +7581,7 @@
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-          "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="
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@@ -8071,7 +8119,7 @@
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
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@@ -9598,7 +9646,7 @@
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
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@@ -9756,6 +9804,7 @@
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@@ -10472,7 +10521,8 @@
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+      "integrity": "sha512-0Twghia4Z5wDGDYWURlhZmI47GvERMCsXIu0QZWVVZyW9ZjpbbZvD9Zy9M6cWiQQRRbAcYajIyKNavaZZDt1Uw==",
+      "optional": true
     },
     "websocket-driver": {
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