diff --git a/algorithm-example-nodejs/package-lock.json b/algorithm-example-nodejs/package-lock.json
index 4d019b9..465a0c8 100644
--- a/algorithm-example-nodejs/package-lock.json
+++ b/algorithm-example-nodejs/package-lock.json
@@ -21,11 +21,6 @@
         "ws": "^7.0.0"
       }
     },
-    "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=="
-    },
     "deep-extend": {
       "version": "0.4.2",
       "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.4.2.tgz",
@@ -37,12 +32,9 @@
       "integrity": "sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg=="
     },
     "ws": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.0.0.tgz",
-      "integrity": "sha512-cknCal4k0EAOrh1SHHPPWWh4qm93g1IuGGGwBjWkXmCG7LsDtL8w9w+YVfaF+KSVwiHQKDIMsSLBVftKf9d1pg==",
-      "requires": {
-        "async-limiter": "^1.0.0"
-      }
+      "version": "7.5.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.3.tgz",
+      "integrity": "sha512-kQ/dHIzuLrS6Je9+uv81ueZomEwH0qVYstcAQ4/Z93K8zeko9gtAbttJWzoC5ukqXY1PpoouV3+VSOqEAFt5wg=="
     }
   }
 }