diff --git a/package-lock.json b/package-lock.json
index 62fafbe..49dc2a8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,11 +4,6 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
-    "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=="
-    },
     "bn.js": {
       "version": "4.11.8",
       "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
@@ -81,12 +76,9 @@
       "integrity": "sha512-sol30LUpz1jQFBjOKwbjxijiE3b6pjd74YwfD0fJOKPjF+fONKb2Yg8rYgS6+bK6VDl+/wfr4IYpC7jDzLUIfw=="
     },
     "ws": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-6.0.0.tgz",
-      "integrity": "sha512-c2UlYcAZp1VS8AORtpq6y4RJIkJ9dQz18W32SpR/qXGfLDZ2jU4y4wKvvZwqbi7U6gxFQTeE+urMbXU/tsDy4w==",
-      "requires": {
-        "async-limiter": "~1.0.0"
-      }
+      "version": "7.4.5",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.5.tgz",
+      "integrity": "sha512-xzyu3hFvomRfXKH8vOFMU3OguG6oOvhXMo3xsGy3xWExqaM2dxBbVxuD99O7m3ZUFMvvscsZDqxfgMaRr/Nr1g=="
     }
   }
 }
diff --git a/package.json b/package.json
index 3322a51..c76eb09 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "elliptic": "^6.4.1",
     "moment": "^2.22.2",
     "node-forge": "^0.7.6",
-    "ws": "^6.0.0"
+    "ws": "^7.4.5"
   },
   "repository": {
     "type": "git",