diff --git a/package-lock.json b/package-lock.json
index 80f047e..434ed28 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1779,7 +1779,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -1800,12 +1801,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "1.0.0",
             "concat-map": "0.0.1"
@@ -1820,17 +1823,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -1947,7 +1953,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -1959,6 +1966,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "1.0.1"
           }
@@ -1973,6 +1981,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.11"
           }
@@ -1980,12 +1989,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "5.1.2",
             "yallist": "3.0.3"
@@ -2004,6 +2015,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2084,7 +2096,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -2096,6 +2109,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1.0.2"
           }
@@ -2181,7 +2195,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -2213,29 +2228,31 @@
           "dev": true,
           "optional": true
         },
-        "string_decoder": {
-          "version": "1.1.1",
+        "string-width": {
+          "version": "1.0.2",
           "bundled": true,
           "dev": true,
           "optional": true,
           "requires": {
-            "safe-buffer": "5.1.2"
+            "code-point-at": "1.1.0",
+            "is-fullwidth-code-point": "1.0.0",
+            "strip-ansi": "3.0.1"
           }
         },
-        "string-width": {
-          "version": "1.0.2",
+        "string_decoder": {
+          "version": "1.1.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
-            "code-point-at": "1.1.0",
-            "is-fullwidth-code-point": "1.0.0",
-            "strip-ansi": "3.0.1"
+            "safe-buffer": "5.1.2"
           }
         },
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -2279,12 +2296,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -5769,15 +5788,6 @@
       "integrity": "sha1-NbCYdbT/SfJqd35QmzCQoyJr8ks=",
       "dev": true
     },
-    "string_decoder": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-      "dev": true,
-      "requires": {
-        "safe-buffer": "5.1.2"
-      }
-    },
     "string-length": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/string-length/-/string-length-2.0.0.tgz",
@@ -5798,6 +5808,15 @@
         "strip-ansi": "4.0.0"
       }
     },
+    "string_decoder": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "5.1.2"
+      }
+    },
     "strip-ansi": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
@@ -6627,7 +6646,7 @@
       "integrity": "sha512-jaHFD6PFv6UgoIVda6qZllptQsMlDEJkTQcybzzXDYM1XO9Y8em691FGMPmM46WGyLU4z9KMgQN+qrux/nhlHA==",
       "dev": true,
       "requires": {
-        "async-limiter": "1.0.1"
+        "async-limiter": "~1.0.0"
       }
     },
     "xml-name-validator": {
diff --git a/yarn.lock b/yarn.lock
index c8c9252..35a61b5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4023,9 +4023,9 @@ write-file-atomic@^2.1.0:
     signal-exit "^3.0.2"
 
 ws@^5.2.0:
-  version "5.2.2"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-5.2.2.tgz#dffef14866b8e8dc9133582514d1befaf96e980f"
-  integrity sha512-jaHFD6PFv6UgoIVda6qZllptQsMlDEJkTQcybzzXDYM1XO9Y8em691FGMPmM46WGyLU4z9KMgQN+qrux/nhlHA==
+  version "5.2.4"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-5.2.4.tgz#c7bea9f1cfb5f410de50e70e82662e562113f9a7"
+  integrity sha512-fFCejsuC8f9kOSu9FYaOw8CdO68O3h5v0lg4p74o8JqWpwTf9tniOD+nOB78aWoVSS6WptVUmDrp/KPsMVBWFQ==
   dependencies:
     async-limiter "~1.0.0"