diff --git a/package-lock.json b/package-lock.json
index 7211142..e02e4af 100644
--- a/package-lock.json
+++ b/package-lock.json
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-      "integrity": "sha1-US322mKHFEMW3EwY/hzx2UBzm+M=",
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@@ -9255,21 +8910,8 @@
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@@ -9337,15 +8979,6 @@
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@@ -9423,12 +9056,6 @@
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@@ -9479,22 +9106,6 @@
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-      "resolved": "https://registry.npmjs.org/tape/-/tape-2.3.0.tgz",
-      "integrity": "sha1-Df7scJIn+8yRcKvn8EaWKycUMds=",
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@@ -9652,12 +9263,21 @@
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-      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.3.tgz",
-      "integrity": "sha1-C2GKVWW23qkL80JdBNVe3EdadWE=",
+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
+      "integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
       "dev": true,
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+        "psl": "^1.1.24",
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+      "dependencies": {
+        "punycode": {
+          "version": "1.4.1",
+          "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
+          "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4=",
+          "dev": true
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@@ -9691,17 +9311,19 @@
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-      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.4.3.tgz",
-      "integrity": "sha1-Y3PbdpCf5XDgjXNYM2Xtgop07us=",
-      "dev": true
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
+      "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "^5.0.1"
+      }
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     "tweetnacl": {
       "version": "0.14.5",
       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
       "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-      "dev": true,
-      "optional": true
+      "dev": true
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@@ -9942,21 +9564,21 @@
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       "dev": true
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+    "uri-js": {
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
+      "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
+      "dev": true,
+      "requires": {
+        "punycode": "^2.1.0"
+      }
+    },
     "urix": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
       "integrity": "sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=",
       "dev": true
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-      "dev": true,
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@@ -9975,6 +9597,12 @@
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       "dev": true
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+    "uuid": {
+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.3.tgz",
+      "integrity": "sha512-pW0No1RGHgzlpHJO1nsVrHKpOEIxkGg1xB+v0ZmdNH5OAeAwzAVrCnI2/6Mtx+Uys6iaylxa+D3g4j63IKKjSQ==",
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+    },
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       "resolved": "https://registry.npmjs.org/v8flags/-/v8flags-2.1.1.tgz",
@@ -10009,14 +9637,6 @@
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diff --git a/package.json b/package.json
index 111f79b..6177017 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
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     "babel-plugin-transform-es2015-modules-commonjs": "6.26.0",
-    "coveralls": "3.0.0",
+    "coveralls": "^3.0.9",
     "documentation": "^12.1.4",
     "flow-bin": "^0.114.0",
     "nyc": "11.4.1",