diff --git a/package-lock.json b/package-lock.json
index be5808d..d95d5bc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2223,7 +2223,8 @@
     "async-limiter": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
-      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg=="
+      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==",
+      "dev": true
     },
     "asynckit": {
       "version": "0.4.0",
@@ -7977,6 +7978,17 @@
             "whatwg-url": "^7.0.0",
             "ws": "^6.1.2",
             "xml-name-validator": "^3.0.0"
+          },
+          "dependencies": {
+            "ws": {
+              "version": "6.2.1",
+              "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.1.tgz",
+              "integrity": "sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==",
+              "dev": true,
+              "requires": {
+                "async-limiter": "~1.0.0"
+              }
+            }
           }
         },
         "whatwg-url": {
@@ -15732,12 +15744,9 @@
       }
     },
     "ws": {
-      "version": "6.2.1",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.1.tgz",
-      "integrity": "sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==",
-      "requires": {
-        "async-limiter": "~1.0.0"
-      }
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+      "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A=="
     },
     "x-is-string": {
       "version": "0.1.0",
diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index d032e97..3ed4cda
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "react-webcam": "^1.1.1",
     "timer-stopwatch": "^0.2.0",
     "whatwg-fetch": "^3.0.0",
-    "ws": "^6.2.1"
+    "ws": "^7.4.6"
   },
   "devDependencies": {
     "babel-eslint": "^10.0.1",