diff --git a/playground/package-lock.json b/playground/package-lock.json
index 767cea3..6709298 100644
--- a/playground/package-lock.json
+++ b/playground/package-lock.json
@@ -5,13 +5,13 @@
   "packages": {
     "": {
       "dependencies": {
-        "ws": "^8.18.0"
+        "ws": "^8.20.1"
       }
     },
     "node_modules/ws": {
-      "version": "8.20.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.20.0.tgz",
-      "integrity": "sha512-sAt8BhgNbzCtgGbt2OxmpuryO63ZoDk/sqaB/znQm94T4fCEsy/yV+7CdC1kJhOU9lboAEU7R3kquuycDoibVA==",
+      "version": "8.20.1",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.20.1.tgz",
+      "integrity": "sha512-It4dO0K5v//JtTXuPkfEOaI3uUN87iYPnqo/ZzqCoG3g8uhA66QUMs/SrM0YK7/NAu+r4LMh/9dq2A7k+rHs+w==",
       "license": "MIT",
       "engines": {
         "node": ">=10.0.0"
diff --git a/playground/package.json b/playground/package.json
index fa3d328..2252fa3 100644
--- a/playground/package.json
+++ b/playground/package.json
@@ -2,6 +2,6 @@
   "private": true,
   "type": "module",
   "dependencies": {
-    "ws": "^8.18.0"
+    "ws": "^8.20.1"
   }
 }