diff --git a/package-lock.json b/package-lock.json
index f48f371..667b5d0 100644
--- a/package-lock.json
+++ b/package-lock.json
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-      "dev": true
+      "dev": true,
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@@ -11871,6 +12058,14 @@
       "requires": {
         "lodash": "3.10.1",
         "minimist": "1.2.0"
+      },
+      "dependencies": {
+        "lodash": {
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+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+          "integrity": "sha512-9mDDwqVIma6OZX79ZlDACZl8sBm0TEnkf99zV3iMA4GzkIT/9hiqP5mY0HoT1iNLCrKc/R1HByV+yJfRWVJryQ==",
+          "dev": true
+        }
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     "optimist": {
@@ -13738,6 +13933,7 @@
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       "integrity": "sha1-NcPhd/IHjveJ7kv6+kNzB06u9Po=",
       "dev": true,
+      "optional": true,
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@@ -14317,6 +14513,7 @@
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       "integrity": "sha1-z+kXyz0nS8/6x5J1ivUxc+sfq9w=",
       "dev": true,
+      "optional": true,
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@@ -14326,6 +14523,7 @@
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           "integrity": "sha1-Br42f+v9oMMwqh4qBy09yXYkJdQ=",
           "dev": true,
+          "optional": true,
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@@ -14993,7 +15191,8 @@
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       "integrity": "sha1-5sgLYjEj19gM8TLOU480YokHJQI=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -15227,6 +15426,7 @@
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       "integrity": "sha1-lgu9EoeETzl1pFWKoQOoJV4kVqA=",
       "dev": true,
+      "optional": true,
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@@ -15241,6 +15441,7 @@
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           "integrity": "sha1-hHSREZ/MtftDYhfMc39/qtUPYD8=",
           "dev": true,
+          "optional": true,
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@@ -15249,7 +15450,8 @@
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           "integrity": "sha1-kF/uiuhvRbPsYUvDwVyGnfCHboI=",
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -15279,6 +15481,7 @@
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       "integrity": "sha1-qsC6YNLpDF1PJ1/Yhp/ZotMQ/7g=",
       "dev": true,
+      "optional": true,
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@@ -15288,6 +15491,7 @@
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       "integrity": "sha1-HGYfZnBX9jvLeHWqFDi8FiUlFW4=",
       "dev": true,
+      "optional": true,
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@@ -15398,6 +15602,7 @@
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+      "optional": true,
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@@ -15410,6 +15615,7 @@
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           "dev": true,
+          "optional": true,
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@@ -15421,6 +15627,7 @@
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       "integrity": "sha1-W8xOrsxKsscH2LwR2ZzMmiyyh/I=",
       "dev": true,
+      "optional": true,
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@@ -15430,7 +15637,8 @@
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           "integrity": "sha1-Z+LoY3lyFVMN/zGOW/nc6/1Hsho=",
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -15528,7 +15736,8 @@
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       "integrity": "sha1-lYYL/MXHbCd/j4Mm/Q9bLiDrohc=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -15692,6 +15901,7 @@
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       "integrity": "sha1-42RqLqTokTEr9+rObPsFOAvAHCE=",
       "dev": true,
+      "optional": true,
       "requires": {
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@@ -16084,7 +16294,8 @@
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       "integrity": "sha1-uYTwh3/AqJwsdzzB73tbIytbBv4=",
-      "dev": true
+      "dev": true,
+      "optional": true
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     "upath": {
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@@ -16373,6 +16584,7 @@
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       "integrity": "sha1-TRmIkbVRWRHXcajNnFSApGoHSkU=",
       "dev": true,
+      "optional": true,
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@@ -16634,6 +16846,7 @@
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       "integrity": "sha1-0bFPOdLiy0q4xAmPdW/ksWTkc9Q=",
       "dev": true,
+      "optional": true,
       "requires": {
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       }
@@ -16866,6 +17079,7 @@
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       "integrity": "sha1-8htuQQFv9KfjFyDbxjoJAWvfmEU=",
       "dev": true,
+      "optional": true,
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@@ -16874,7 +17088,8 @@
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           "integrity": "sha1-TqVOpaCJOBUxheFSEMaNkJK8G3g=",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -16965,6 +17180,14 @@
       "dev": true,
       "requires": {
         "lodash": "3.10.1"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "3.10.1",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+          "integrity": "sha512-9mDDwqVIma6OZX79ZlDACZl8sBm0TEnkf99zV3iMA4GzkIT/9hiqP5mY0HoT1iNLCrKc/R1HByV+yJfRWVJryQ==",
+          "dev": true
+        }
       }
     },
     "xmlhttprequest-ssl": {
@@ -17025,6 +17248,7 @@
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       "integrity": "sha1-qBmB6nCleUYTOIPwKcWCGok1mn8=",
       "dev": true,
+      "optional": true,
       "requires": {
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diff --git a/package.json b/package.json
index f1c637f..51e3b99 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "karma-notify-reporter": "^0.1.1",
     "karma-phantomjs-launcher": "^1.0.0",
     "karma-sinon": "^1.0.4",
-    "lodash": "^3.9.3",
+    "lodash": "^4.17.21",
     "mocha": "^2.2.5",
     "node-notifier": "^4.2.3",
     "os-homedir": "^1.0.2",