diff --git a/package-lock.json b/package-lock.json
index 808c181..c14fe9f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -94,12 +94,6 @@
       "integrity": "sha1-iYUI2iIm84DfkEcoRWhJwVAaSw0=",
       "dev": true
     },
-    "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==",
-      "dev": true
-    },
     "axios": {
       "version": "0.19.0",
       "resolved": "https://registry.npmjs.org/axios/-/axios-0.19.0.tgz",
@@ -1621,13 +1615,10 @@
       }
     },
     "ws": {
-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.1.1.tgz",
-      "integrity": "sha512-o41D/WmDeca0BqYhsr3nJzQyg9NF5X8l/UdnFNux9cS3lwB+swm8qGWX5rn+aD6xfBU3rGmtHij7g7x6LxFU3A==",
-      "dev": true,
-      "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==",
+      "dev": true
     },
     "yallist": {
       "version": "3.0.3",
diff --git a/package.json b/package.json
index 2cad031..0142db1 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,6 @@
     "koa-websocket": "^6.0.0",
     "stun": "^2.0.0",
     "wrtc": "^0.4.1",
-    "ws": "^7.1.1"
+    "ws": "^7.4.6"
   }
 }