diff --git a/package-lock.json b/package-lock.json
index 5643502..ac82ab3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1562,12 +1562,9 @@
       }
     },
     "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=="
     }
   }
 }
diff --git a/package.json b/package.json
index 3f2698c..89ad6c4 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "moment": "^2.24.0",
     "pako": "^1.0.10",
     "path": "^0.12.7",
-    "ws": "^6.2.1"
+    "ws": "^7.4.6"
   },
   "devDependencies": {
     "eslint": "^5.16.0"