diff --git a/ws_echo_server/package-lock.json b/ws_echo_server/package-lock.json
index 2e366d5..f85970c 100644
--- a/ws_echo_server/package-lock.json
+++ b/ws_echo_server/package-lock.json
@@ -4,18 +4,10 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
-    "async-limiter": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.1.tgz",
-      "integrity": "sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ=="
-    },
     "ws": {
-      "version": "7.2.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.2.0.tgz",
-      "integrity": "sha512-+SqNqFbwTm/0DC18KYzIsMTnEWpLwJsiasW/O17la4iDRRIO9uaHbvKiAS3AHgTiuuWerK/brj4O6MYZkei9xg==",
-      "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/ws_echo_server/package.json b/ws_echo_server/package.json
index 5b82469..42ed657 100644
--- a/ws_echo_server/package.json
+++ b/ws_echo_server/package.json
@@ -9,6 +9,6 @@
   "author": "",
   "license": "UNLICENSED",
   "dependencies": {
-    "ws": "^7.2.0"
+    "ws": "^7.4.6"
   }
 }