diff --git a/package-lock.json b/package-lock.json
index dbaa9965..c8afb698 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -220,6 +220,16 @@
       "requires": {
         "micromatch": "^3.1.4",
         "normalize-path": "^2.1.1"
+      },
+      "dependencies": {
+        "normalize-path": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-2.1.1.tgz",
+          "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
+          "requires": {
+            "remove-trailing-separator": "^1.0.1"
+          }
+        }
       }
     },
     "aproba": {
@@ -424,9 +434,9 @@
       }
     },
     "binary-extensions": {
-      "version": "1.12.0",
-      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.12.0.tgz",
-      "integrity": "sha512-DYWGk01lDcxeS/K9IHPGWfT8PsJmbXRtRd2Sx72Tnb8pcYZQFF1oSDb8hJtS1vhp212q1Rzi5dUf9+nq0o9UIg=="
+      "version": "1.13.0",
+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.13.0.tgz",
+      "integrity": "sha512-EgmjVLMn22z7eGGv3kcnHwSnJXmFHjISTY9E/S5lIcTD3Oxw05QTcBLNkJFzcb3cNueUdF/IN4U+d78V0zO8Hw=="
     },
     "bl": {
       "version": "1.1.2",
@@ -617,23 +627,22 @@
       }
     },
     "chokidar": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.0.4.tgz",
-      "integrity": "sha512-z9n7yt9rOvIJrMhvDtDictKrkFHeihkNl6uWMmZlmL6tJtX9Cs+87oK+teBx+JIgzvbX3yZHT3eF8vpbDxHJXQ==",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.0.tgz",
+      "integrity": "sha512-5t6G2SH8eO6lCvYOoUpaRnF5Qfd//gd7qJAkwRUw9qlGVkiQ13uwQngqbWWaurOsaAm9+kUGbITADxt6H0XFNQ==",
       "requires": {
         "anymatch": "^2.0.0",
-        "async-each": "^1.0.0",
-        "braces": "^2.3.0",
-        "fsevents": "^1.2.2",
+        "async-each": "^1.0.1",
+        "braces": "^2.3.2",
+        "fsevents": "^1.2.7",
         "glob-parent": "^3.1.0",
-        "inherits": "^2.0.1",
+        "inherits": "^2.0.3",
         "is-binary-path": "^1.0.0",
         "is-glob": "^4.0.0",
-        "lodash.debounce": "^4.0.8",
-        "normalize-path": "^2.1.1",
+        "normalize-path": "^3.0.0",
         "path-is-absolute": "^1.0.0",
-        "readdirp": "^2.0.0",
-        "upath": "^1.0.5"
+        "readdirp": "^2.2.1",
+        "upath": "^1.1.0"
       }
     },
     "ci-info": {
@@ -1601,9 +1610,9 @@
       "dev": true
     },
     "fsevents": {
-      "version": "1.2.4",
-      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.2.4.tgz",
-      "integrity": "sha512-z8H8/diyk76B7q5wg+Ud0+CqzcAF3mBBI/bA5ne5zrRUUIvNkJY//D3BqyH571KuAC4Nr7Rw7CjWX4r0y9DvNg==",
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-1.2.7.tgz",
+      "integrity": "sha512-Pxm6sI2MeBD7RdD12RYsqaP0nMiwx8eZBXCa6z2L+mRHm2DYrOYwihmhjpkdjUHwQhslWQjRpEgNq4XvBmaAuw==",
       "optional": true,
       "requires": {
         "nan": "^2.9.2",
@@ -1625,7 +1634,7 @@
           "optional": true
         },
         "are-we-there-yet": {
-          "version": "1.1.4",
+          "version": "1.1.5",
           "bundled": true,
           "optional": true,
           "requires": {
@@ -1646,7 +1655,7 @@
           }
         },
         "chownr": {
-          "version": "1.0.1",
+          "version": "1.1.1",
           "bundled": true,
           "optional": true
         },
@@ -1676,7 +1685,7 @@
           }
         },
         "deep-extend": {
-          "version": "0.5.1",
+          "version": "0.6.0",
           "bundled": true,
           "optional": true
         },
@@ -1719,7 +1728,7 @@
           }
         },
         "glob": {
-          "version": "7.1.2",
+          "version": "7.1.3",
           "bundled": true,
           "optional": true,
           "requires": {
@@ -1737,11 +1746,11 @@
           "optional": true
         },
         "iconv-lite": {
-          "version": "0.4.21",
+          "version": "0.4.24",
           "bundled": true,
           "optional": true,
           "requires": {
-            "safer-buffer": "^2.1.0"
+            "safer-buffer": ">= 2.1.2 < 3"
           }
         },
         "ignore-walk": {
@@ -1794,15 +1803,15 @@
           "bundled": true
         },
         "minipass": {
-          "version": "2.2.4",
+          "version": "2.3.5",
           "bundled": true,
           "requires": {
-            "safe-buffer": "^5.1.1",
+            "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
           }
         },
         "minizlib": {
-          "version": "1.1.0",
+          "version": "1.2.1",
           "bundled": true,
           "optional": true,
           "requires": {
@@ -1822,7 +1831,7 @@
           "optional": true
         },
         "needle": {
-          "version": "2.2.0",
+          "version": "2.2.4",
           "bundled": true,
           "optional": true,
           "requires": {
@@ -1832,17 +1841,17 @@
           }
         },
         "node-pre-gyp": {
-          "version": "0.10.0",
+          "version": "0.10.3",
           "bundled": true,
           "optional": true,
           "requires": {
             "detect-libc": "^1.0.2",
             "mkdirp": "^0.5.1",
-            "needle": "^2.2.0",
+            "needle": "^2.2.1",
             "nopt": "^4.0.1",
             "npm-packlist": "^1.1.6",
             "npmlog": "^4.0.2",
-            "rc": "^1.1.7",
+            "rc": "^1.2.7",
             "rimraf": "^2.6.1",
             "semver": "^5.3.0",
             "tar": "^4"
@@ -1858,12 +1867,12 @@
           }
         },
         "npm-bundled": {
-          "version": "1.0.3",
+          "version": "1.0.5",
           "bundled": true,
           "optional": true
         },
         "npm-packlist": {
-          "version": "1.1.10",
+          "version": "1.2.0",
           "bundled": true,
           "optional": true,
           "requires": {
@@ -1928,11 +1937,11 @@
           "optional": true
         },
         "rc": {
-          "version": "1.2.7",
+          "version": "1.2.8",
           "bundled": true,
           "optional": true,
           "requires": {
-            "deep-extend": "^0.5.1",
+            "deep-extend": "^0.6.0",
             "ini": "~1.3.0",
             "minimist": "^1.2.0",
             "strip-json-comments": "~2.0.1"
@@ -1960,15 +1969,15 @@
           }
         },
         "rimraf": {
-          "version": "2.6.2",
+          "version": "2.6.3",
           "bundled": true,
           "optional": true,
           "requires": {
-            "glob": "^7.0.5"
+            "glob": "^7.1.3"
           }
         },
         "safe-buffer": {
-          "version": "5.1.1",
+          "version": "5.1.2",
           "bundled": true
         },
         "safer-buffer": {
@@ -1982,7 +1991,7 @@
           "optional": true
         },
         "semver": {
-          "version": "5.5.0",
+          "version": "5.6.0",
           "bundled": true,
           "optional": true
         },
@@ -2026,16 +2035,16 @@
           "optional": true
         },
         "tar": {
-          "version": "4.4.1",
+          "version": "4.4.8",
           "bundled": true,
           "optional": true,
           "requires": {
-            "chownr": "^1.0.1",
+            "chownr": "^1.1.1",
             "fs-minipass": "^1.2.5",
-            "minipass": "^2.2.4",
-            "minizlib": "^1.1.0",
+            "minipass": "^2.3.4",
+            "minizlib": "^1.1.1",
             "mkdirp": "^0.5.0",
-            "safe-buffer": "^5.1.1",
+            "safe-buffer": "^5.1.2",
             "yallist": "^3.0.2"
           }
         },
@@ -2045,11 +2054,11 @@
           "optional": true
         },
         "wide-align": {
-          "version": "1.1.2",
+          "version": "1.1.3",
           "bundled": true,
           "optional": true,
           "requires": {
-            "string-width": "^1.0.2"
+            "string-width": "^1.0.2 || 2"
           }
         },
         "wrappy": {
@@ -2057,7 +2066,7 @@
           "bundled": true
         },
         "yallist": {
-          "version": "3.0.2",
+          "version": "3.0.3",
           "bundled": true
         }
       }
@@ -2367,7 +2376,7 @@
     },
     "got": {
       "version": "6.7.1",
-      "resolved": "https://registry.npmjs.org/got/-/got-6.7.1.tgz",
+      "resolved": "http://registry.npmjs.org/got/-/got-6.7.1.tgz",
       "integrity": "sha1-JAzQV4WpoY5WHcG0S0HHY+8ejbA=",
       "requires": {
         "create-error-class": "^3.0.0",
@@ -3426,11 +3435,6 @@
         "lodash.keys": "^3.0.0"
       }
     },
-    "lodash.debounce": {
-      "version": "4.0.8",
-      "resolved": "https://registry.npmjs.org/lodash.debounce/-/lodash.debounce-4.0.8.tgz",
-      "integrity": "sha1-gteb/zCmfEAF/9XiUVMArZyk168="
-    },
     "lodash.isarguments": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz",
@@ -3787,9 +3791,9 @@
       "dev": true
     },
     "nan": {
-      "version": "2.11.1",
-      "resolved": "https://registry.npmjs.org/nan/-/nan-2.11.1.tgz",
-      "integrity": "sha512-iji6k87OSXa0CcrLl9z+ZiYSuR2o+c0bGuNmXdrhTQTakxytAFsC56SArGYoiHlJlFoHSnvmhpceZJaXkVuOtA==",
+      "version": "2.12.1",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.12.1.tgz",
+      "integrity": "sha512-JY7V6lRkStKcKTvHO5NVSQRv+RV+FIL5pvDoLiAtSL9pKlC5x9PKQcZDsq7m4FO4d57mkhC6Z+QhAh3Jdk5JFw==",
       "optional": true
     },
     "nanomatch": {
@@ -3903,12 +3907,9 @@
       }
     },
     "normalize-path": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-2.1.1.tgz",
-      "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
-      "requires": {
-        "remove-trailing-separator": "^1.0.1"
-      }
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
+      "integrity": "sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA=="
     },
     "npm-package-arg": {
       "version": "5.1.2",
diff --git a/package.json b/package.json
index 11bcdae6..1dd6c22e 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "should": "~4.0.0"
   },
   "dependencies": {
-    "chokidar": "^2.0.4",
+    "chokidar": "^2.1.0",
     "debug": "^3.1.0",
     "ignore-by-default": "^1.0.1",
     "minimatch": "^3.0.4",