diff --git a/package-lock.json b/package-lock.json
index caec813..5a1801d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,11 +18,6 @@
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
     },
-    "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=="
-    },
     "body-parser": {
       "version": "1.19.0",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",
@@ -381,12 +376,9 @@
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
     "ws": {
-      "version": "6.1.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-6.1.0.tgz",
-      "integrity": "sha512-H3dGVdGvW2H8bnYpIDc3u3LH8Wue3Qh+Zto6aXXFzvESkTVT6rAfKR6tR/+coaUvxs8yHtmNV0uioBF62ZGSTg==",
-      "requires": {
-        "async-limiter": "~1.0.0"
-      }
+      "version": "7.2.5",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.2.5.tgz",
+      "integrity": "sha512-C34cIU4+DB2vMyAbmEKossWq2ZQDr6QEyuuCzWrM9zfw1sGc0mYiJ0UnG9zzNykt49C2Fi34hvr2vssFQRS6EA=="
     }
   }
 }
diff --git a/package.json b/package.json
index 341e9e6..1008d93 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
   "dependencies": {
     "ejs": "~2.5.7",
     "express": "^4.17.1",
-    "ws": "^6.1.0"
+    "ws": "^7.2.5"
   },
   "eslintConfig": {
     "env": {