diff --git a/yarn.lock b/yarn.lock
index f81b2ea..50f3e34 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -49,13 +49,6 @@
     magic-string "^0.25.2"
     resolve "^1.11.0"
 
-"@rollup/plugin-json@^4.0.3":
-  version "4.0.3"
-  resolved "https://registry.yarnpkg.com/@rollup/plugin-json/-/plugin-json-4.0.3.tgz#747e2c2884c5a0fa00b66c9c0f3f1012cddca534"
-  integrity sha512-QMUT0HZNf4CX17LMdwaslzlYHUKTYGuuk34yYIgZrNdu+pMEfqMS55gck7HEeHBKXHM4cz5Dg1OVwythDdbbuQ==
-  dependencies:
-    "@rollup/pluginutils" "^3.0.8"
-
 "@rollup/plugin-node-resolve@^7.0.0":
   version "7.1.3"
   resolved "https://registry.yarnpkg.com/@rollup/plugin-node-resolve/-/plugin-node-resolve-7.1.3.tgz#80de384edfbd7bfc9101164910f86078151a3eca"
@@ -1167,9 +1160,9 @@ wrappy@1:
   integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
 
 ws@^6.2.1:
-  version "6.2.1"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-6.2.1.tgz#442fdf0a47ed64f59b6a5d8ff130f4748ed524fb"
-  integrity sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==
+  version "6.2.2"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-6.2.2.tgz#dd5cdbd57a9979916097652d78f1cc5faea0c32e"
+  integrity sha512-zmhltoSR8u1cnDsD43TX59mzoMZsLKqUweyYBAIvTngR3shc0W6aOZylZmq/7hqyVxPdi+5Ud2QInblgyE72fw==
   dependencies:
     async-limiter "~1.0.0"