diff --git a/package-lock.json b/package-lock.json
index 6e9c732..abe1231 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -94,9 +94,9 @@
       "dev": true
     },
     "assertion-error": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.0.2.tgz",
-      "integrity": "sha1-E8pRXYYgbaC6xm6DTdOX2HWBCUw=",
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz",
+      "integrity": "sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==",
       "dev": true
     },
     "babel-code-frame": {
@@ -189,17 +189,17 @@
       "dev": true
     },
     "chai": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-4.1.2.tgz",
-      "integrity": "sha1-D2RYS6ZC8PKs4oBiefTwbKI61zw=",
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-4.3.4.tgz",
+      "integrity": "sha512-yS5H68VYOCtN1cjfwumDSuzn/9c+yza4f3reKXlE5rUg7SFcCEy90gJvydNgOYtblyf4Zi6jIWRnXOgErta0KA==",
       "dev": true,
       "requires": {
-        "assertion-error": "^1.0.1",
-        "check-error": "^1.0.1",
-        "deep-eql": "^3.0.0",
+        "assertion-error": "^1.1.0",
+        "check-error": "^1.0.2",
+        "deep-eql": "^3.0.1",
         "get-func-name": "^2.0.0",
-        "pathval": "^1.0.0",
-        "type-detect": "^4.0.0"
+        "pathval": "^1.1.1",
+        "type-detect": "^4.0.5"
       }
     },
     "chalk": {
@@ -1209,9 +1209,9 @@
       }
     },
     "pathval": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.0.tgz",
-      "integrity": "sha1-uULm1L3mUwBe9rcTYd74cn0GReA=",
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.1.tgz",
+      "integrity": "sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==",
       "dev": true
     },
     "pify": {
@@ -1567,9 +1567,9 @@
       }
     },
     "type-detect": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.5.tgz",
-      "integrity": "sha512-N9IvkQslUGYGC24RkJk1ba99foK6TkwC2FHAEBlQFBP0RxQZS8ZpJuAZcwiY/w9ZJHFQb1aOXBI60OdxhTrwEQ==",
+      "version": "4.0.8",
+      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
+      "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
       "dev": true
     },
     "typedarray": {