diff --git a/package-lock.json b/package-lock.json
index 89354a9..027b14d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,11 +23,6 @@
       "resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
       "integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E="
     },
-    "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=="
-    },
     "binary-search-tree": {
       "version": "0.2.5",
       "resolved": "https://registry.npmjs.org/binary-search-tree/-/binary-search-tree-0.2.5.tgz",
@@ -745,12 +740,9 @@
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
     "ws": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.1.0.tgz",
-      "integrity": "sha512-Swie2C4fs7CkwlHu1glMePLYJJsWjzhl1vm3ZaLplD0h7OMkZyZ6kLTB/OagiU923bZrPFXuDTeEqaEN4NWG4g==",
-      "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/package.json b/package.json
index 444dfee..83cf900 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,6 @@
     "jsonwebtoken": "^8.5.1",
     "mongoose": "^5.10.3",
     "nedb": "^1.8.0",
-    "ws": "^7.1.0"
+    "ws": "^7.4.6"
   }
 }