diff --git a/examples/chat-rpc-pub-sub/clients/js/package-lock.json b/examples/chat-rpc-pub-sub/clients/js/package-lock.json
index 4ac805e..542777f 100644
--- a/examples/chat-rpc-pub-sub/clients/js/package-lock.json
+++ b/examples/chat-rpc-pub-sub/clients/js/package-lock.json
@@ -1347,9 +1347,9 @@
       }
     },
     "node_modules/rollup": {
-      "version": "3.18.0",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-3.18.0.tgz",
-      "integrity": "sha512-J8C6VfEBjkvYPESMQYxKHxNOh4A5a3FlP+0BETGo34HEcE4eTlgCrO2+eWzlu2a/sHs2QUkZco+wscH7jhhgWg==",
+      "version": "3.30.0",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-3.30.0.tgz",
+      "integrity": "sha512-kQvGasUgN+AlWGliFn2POSajRQEsULVYFGTvOZmK06d7vCD+YhZztt70kGk3qaeAXeWYL5eO7zx+rAubBc55eA==",
       "bin": {
         "rollup": "dist/bin/rollup"
       },
@@ -2616,9 +2616,9 @@
       }
     },
     "rollup": {
-      "version": "3.18.0",
-      "resolved": "https://registry.npmjs.org/rollup/-/rollup-3.18.0.tgz",
-      "integrity": "sha512-J8C6VfEBjkvYPESMQYxKHxNOh4A5a3FlP+0BETGo34HEcE4eTlgCrO2+eWzlu2a/sHs2QUkZco+wscH7jhhgWg==",
+      "version": "3.30.0",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-3.30.0.tgz",
+      "integrity": "sha512-kQvGasUgN+AlWGliFn2POSajRQEsULVYFGTvOZmK06d7vCD+YhZztt70kGk3qaeAXeWYL5eO7zx+rAubBc55eA==",
       "requires": {
         "fsevents": "~2.3.2"
       }