diff --git a/package-lock.json b/package-lock.json
index bc66832..5004b95 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -394,9 +394,9 @@
       "integrity": "sha512-S+0+CiQlbUhTNWMlJdqo/ARuXOttXdvw5ACGyh1W97NFHUdwt3Fzyaus03Kvdmo733dwnYS9AGJSDg0Zu8mNfA=="
     },
     "ws": {
-      "version": "7.3.1",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.3.1.tgz",
-      "integrity": "sha512-D3RuNkynyHmEJIpD2qrgVkc9DQ23OrN/moAwZX4L8DfvszsJxpjQuUq3LMx6HoYji9fbIOBY18XWBsAux1ZZUA=="
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+      "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A=="
     },
     "ws-heartbeat": {
       "version": "1.0.4",
diff --git a/package.json b/package.json
index b09ded1..034099b 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,6 @@
   "homepage": "https://github.com/tnct-3j/classtream#readme",
   "dependencies": {
     "slackbots": "^1.2.0",
-    "ws": ">=3.3.1"
+    "ws": ">=7.4.6"
   }
 }