diff --git a/package-lock.json b/package-lock.json
index 22a439c..f0046bf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
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@@ -2000,27 +2000,6 @@
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@@ -2172,7 +2151,7 @@
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@@ -2705,7 +2684,7 @@
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@@ -2722,16 +2701,16 @@
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-      "resolved": "https://registry.npmjs.org/istanbul/-/istanbul-0.4.3.tgz",
-      "integrity": "sha1-W3FO4K5JOsXvIEuZ84crzu9z1To=",
+      "version": "0.4.5",
+      "resolved": "https://registry.npmjs.org/istanbul/-/istanbul-0.4.5.tgz",
+      "integrity": "sha512-nMtdn4hvK0HjUlzr1DrKSUY8ychprt8dzHOgY2KXsIhHu5PuQQEOTM27gV9Xblyon7aUH/TSFIjRHEODF/FRPg==",
       "dev": true,
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         "async": "1.x",
         "escodegen": "1.8.x",
         "esprima": "2.7.x",
-        "fileset": "0.2.x",
+        "glob": "^5.0.15",
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         "js-yaml": "3.x",
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@@ -2746,19 +2725,19 @@
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-          "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
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-          "integrity": "sha1-luO3DVd59q1JzQMmc9HDEnZ7pYE=",
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-          "integrity": "sha1-ZawFBLOVQXHYpklGsq48u4pfVPY=",
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@@ -3272,9 +3251,9 @@
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-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
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       "dev": true,
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@@ -3554,7 +3533,7 @@
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-      "integrity": "sha1-xkZdvwirzU2zWTF/eaxopkayj/k=",
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       "dev": true,
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@@ -4170,7 +4149,7 @@
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       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
-      "integrity": "sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=",
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       "dev": true
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@@ -4766,9 +4745,9 @@
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-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.13.0.tgz",
-      "integrity": "sha512-TWYSWa9T2pPN4DIJYbU9oAjQx+5qdV5RUDxwARg8fmJZrD/V27Zj0JngW5xg1DFz42G0uDYl2XhzF6alSzD62w==",
+      "version": "3.17.4",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.17.4.tgz",
+      "integrity": "sha512-T9q82TJI9e/C1TAxYvfb16xO120tMVFZrGA3f9/P4424DNu6ypK103y0GPFVa17yotwSyZW5iYXgjYHkGrJW/g==",
       "dev": true,
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@@ -5265,7 +5244,7 @@
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       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
-      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
+      "integrity": "sha512-gvVzJFlPycKc5dZN4yPkP8w7Dc37BtP1yczEneOb4uq34pXZcvrtRTmWV8W+Ume+XCxKgbjM+nevkyFPMybd4Q==",
       "dev": true
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diff --git a/package.json b/package.json
index 53f8932..916e024 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
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     "chai": "3.5.0",
     "coveralls": "2.11.9",
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+    "istanbul": "0.4.5",
     "jsdom": "9.5.0",
     "mocha": "3.1.0",
     "nock": "8.0.0",