diff --git a/package-lock.json b/package-lock.json
index 596d78a..427fa84 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -90,15 +90,6 @@
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       "dev": true
     },
-    "encoding": {
-      "version": "0.1.13",
-      "resolved": "https://registry.npmjs.org/encoding/-/encoding-0.1.13.tgz",
-      "integrity": "sha512-ETBauow1T35Y/WZMkio9jiM0Z5xjHHmJ4XmjZOq1l/dXz3lr2sRn87nJy20RupqSh1F2m3HHPSp8ShIPQJrJ3A==",
-      "dev": true,
-      "requires": {
-        "iconv-lite": "^0.6.2"
-      }
-    },
     "escape-string-regexp": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
@@ -148,15 +139,6 @@
       "resolved": "https://registry.npmjs.org/http-https/-/http-https-1.0.0.tgz",
       "integrity": "sha1-L5CN1fHbQGjAWM1ubUzjkskTOJs="
     },
-    "iconv-lite": {
-      "version": "0.6.2",
-      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.2.tgz",
-      "integrity": "sha512-2y91h5OpQlolefMPmUlivelittSWy0rP+oYVpn6A7GwVHNE8AWzoYOBNmlwks3LobaJxgHCYZAnyNo2GgpNRNQ==",
-      "dev": true,
-      "requires": {
-        "safer-buffer": ">= 2.1.2 < 3.0.0"
-      }
-    },
     "inflight": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
@@ -173,12 +155,6 @@
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       "dev": true
     },
-    "is-stream": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-1.1.0.tgz",
-      "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ=",
-      "dev": true
-    },
     "json3": {
       "version": "3.3.2",
       "resolved": "https://registry.npmjs.org/json3/-/json3-3.3.2.tgz",
@@ -303,13 +279,12 @@
       "dev": true
     },
     "node-fetch": {
-      "version": "1.6.3",
-      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-1.6.3.tgz",
-      "integrity": "sha1-3CNO3WSJmC1Y6PDbT2lQKavNjAQ=",
+      "version": "2.6.7",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.7.tgz",
+      "integrity": "sha512-ZjMPFEfVx5j+y2yF35Kzx5sF7kDzxuDj6ziH4FFbOp87zKDZNx8yExJIb05OGF4Nlt9IHFIMBkRl41VdvcNdbQ==",
       "dev": true,
       "requires": {
-        "encoding": "^0.1.11",
-        "is-stream": "^1.0.1"
+        "whatwg-url": "^5.0.0"
       }
     },
     "oboe": {
@@ -335,12 +310,6 @@
       "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
       "dev": true
     },
-    "safer-buffer": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
-      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
-      "dev": true
-    },
     "supports-color": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-3.1.2.tgz",
@@ -350,6 +319,12 @@
         "has-flag": "^1.0.0"
       }
     },
+    "tr46": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
+      "dev": true
+    },
     "type-detect": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-1.0.0.tgz",
@@ -361,6 +336,22 @@
       "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",
       "integrity": "sha512-UIEXBNeYmKptWH6z8ZnqTeS8fV74zG0/eRU9VGkpzz+LIJNs8W/zM/L+7ctCkRrgbNnnR0xxw4bKOr0cW0N0Og=="
     },
+    "webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
+      "dev": true
+    },
+    "whatwg-url": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
+      "dev": true,
+      "requires": {
+        "tr46": "~0.0.3",
+        "webidl-conversions": "^3.0.0"
+      }
+    },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
diff --git a/package.json b/package.json
index e783040..4801879 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,6 @@
   "devDependencies": {
     "chai": "3.5.0",
     "mocha": "3.2.0",
-    "node-fetch": "1.6.3"
+    "node-fetch": "2.6.7"
   }
 }