diff --git a/package.json b/package.json
index 6713dc2e..c72e9a41 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "@types/node": "^10.17.17",
     "@types/utf8": "^2.1.6",
     "@types/webpack": "^4.41.23",
-    "@types/ws": "^7.2.8",
+    "@types/ws": "^7.2.9",
     "@typescript-eslint/eslint-plugin": "^4.0.0",
     "@typescript-eslint/parser": "^3.10.1",
     "chai": "^4.2.0",
diff --git a/yarn.lock b/yarn.lock
index 4e33868f..6247f66e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -400,10 +400,10 @@
     "@types/webpack-sources" "*"
     source-map "^0.6.0"
 
-"@types/ws@^7.2.8":
-  version "7.2.8"
-  resolved "https://registry.yarnpkg.com/@types/ws/-/ws-7.2.8.tgz#47f72f835a531c1860e1ecaed6e4f55fc8d44177"
-  integrity sha512-LGtjDQxcMk4uU7ET85qJWYLwCdsSxLRxqOums/SDDWJw/BCCgFrOvqcvly6rGNkB/OkOiUaRzzhz8pchuxXr7w==
+"@types/ws@^7.2.9":
+  version "7.2.9"
+  resolved "https://registry.yarnpkg.com/@types/ws/-/ws-7.2.9.tgz#cadfac473acfab192678a487c3ecbb13a503547f"
+  integrity sha512-gmXYAXr7G4BrRMnkGQGkGonc3ArVro9VZd//C1uns/qqsJyl2dxaJdlPMhZbcq5MTxFFC+ttFWtHSfVW5+hlRA==
   dependencies:
     "@types/node" "*"