diff --git a/package.json b/package.json
index 638d772..0356590 100644
--- a/package.json
+++ b/package.json
@@ -99,7 +99,7 @@
 		"https": "^1.0.0",
 		"tar-fs": "^2.1.1",
 		"vscode-languageclient": "^8.0.1",
-		"ws": "^8.6.0",
+		"ws": "^8.21.0",
 		"zlib": "^1.0.5"
 	},
 	"devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 524dd1f..c3308b1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2419,10 +2419,10 @@ wrappy@1:
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
   integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
 
-ws@^8.6.0:
-  version "8.6.0"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-8.6.0.tgz#e5e9f1d9e7ff88083d0c0dd8281ea662a42c9c23"
-  integrity sha512-AzmM3aH3gk0aX7/rZLYvjdvZooofDu3fFOzGqcSnQ1tOcTWwhM/o+q++E8mAyVVIyUdajrkzWUGftaVSDLn1bw==
+ws@^8.21.0:
+  version "8.21.0"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-8.21.0.tgz#012e413fc07429945121b0c153158c4343086951"
+  integrity sha512-Vsp28b7DRcimFQvrqu2Wek3z1iYxDCWqHYB8Qsnk/S4RfaCQzPGPyBNuVjJV3cd6UiKtUtp6sNM77gWvzcCH+g==
 
 xml2js@^0.4.23:
   version "0.4.23"