diff --git a/package.json b/package.json
index 4d1c1a2..9a50b0e 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "vscode-json-languageservice": "^3.1.4",
     "vscode-languageserver": "^4.0.0",
     "vscode-ws-jsonrpc": "^0.0.2-1",
-    "ws": "^5.0.0"
+    "ws": "^7.4.6"
   },
   "devDependencies": {
     "@types/express": "^4.0.35",
diff --git a/yarn.lock b/yarn.lock
index 75010f4..00a63d6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -244,11 +244,6 @@ async-each@^1.0.1:
   resolved "https://registry.npm.taobao.org/async-each/download/async-each-1.0.3.tgz#b727dbf87d7651602f06f4d4ac387f47d91b0cbf"
   integrity sha1-tyfb+H12UWAvBvTUrDh/R9kbDL8=
 
-async-limiter@~1.0.0:
-  version "1.0.1"
-  resolved "https://registry.npm.taobao.org/async-limiter/download/async-limiter-1.0.1.tgz?cache=0&sync_timestamp=1574271635932&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fasync-limiter%2Fdownload%2Fasync-limiter-1.0.1.tgz#dd379e94f0db8310b08291f9d64c3209766617fd"
-  integrity sha1-3TeelPDbgxCwgpH51kwyCXZmF/0=
-
 async@^2.1.2, async@^2.5.0:
   version "2.6.3"
   resolved "https://registry.npm.taobao.org/async/download/async-2.6.3.tgz#d72625e2344a3656e3a3ad4fa749fa83299d82ff"
@@ -4181,12 +4176,10 @@ wrappy@1:
   resolved "https://registry.npm.taobao.org/wrappy/download/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
   integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
 
-ws@^5.0.0:
-  version "5.2.2"
-  resolved "https://registry.npm.taobao.org/ws/download/ws-5.2.2.tgz#dffef14866b8e8dc9133582514d1befaf96e980f"
-  integrity sha1-3/7xSGa46NyRM1glFNG++vlumA8=
-  dependencies:
-    async-limiter "~1.0.0"
+ws@^7.4.6:
+  version "7.4.6"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c"
+  integrity sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==
 
 xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.2"