diff --git a/package-lock.json b/package-lock.json
index 56295ed2..69c2aee9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20265,12 +20265,9 @@
       }
     },
     "ws": {
-      "version": "7.1.2",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.1.2.tgz",
-      "integrity": "sha512-gftXq3XI81cJCgkUiAVixA0raD9IVmXqsylCrjRygw4+UOOGzPoxnQ6r/CnVL9i+mDncJo94tSkyrtuuQVBmrg==",
-      "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=="
     },
     "wurl": {
       "version": "2.5.4",
diff --git a/package.json b/package.json
index c2cfd89a..3dc97d24 100644
--- a/package.json
+++ b/package.json
@@ -105,7 +105,7 @@
     "uuid": "~3.3.2",
     "validator": "~11.1.0",
     "winston-sandstorm": "^3.3.3",
-    "ws": "~7.1.1"
+    "ws": "~7.4.6"
   },
   "devDependencies": {
     "@hackmd/codemirror": "~5.49.8",