diff --git a/package.json b/package.json
index e9c2193..31bd1ff 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "@types/express": "^4.17.13",
     "@types/ws": "8.5.3",
     "path-to-regexp": "0.1.7",
-    "ws": "7.5.5"
+    "ws": "7.5.9"
   },
   "devDependencies": {
     "express": "4.17.3",
diff --git a/yarn.lock b/yarn.lock
index e9d956c..39d4959 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -425,7 +425,7 @@ vary@~1.1.2:
   resolved "https://registry.npmmirror.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
   integrity sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==
 
-ws@7.5.5:
-  version "7.5.5"
-  resolved "https://registry.npmmirror.com/ws/-/ws-7.5.5.tgz#8b4bc4af518cfabd0473ae4f99144287b33eb881"
-  integrity sha512-BAkMFcAzl8as1G/hArkxOxq3G7pjUqQ3gzYbLL0/5zNkph70e+lCoxBGnm6AW1+/aiNeV4fnKqZ8m4GZewmH2w==
+ws@7.5.9:
+  version "7.5.9"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.5.9.tgz#54fa7db29f4c7cec68b1ddd3a89de099942bb591"
+  integrity sha512-F+P9Jil7UiSKSkppIiD94dN07AwvFixvLIj1Og1Rl9GGMuNipJnV9JzjD6XuqmAeiswGvUmNLjr5cFuXwNS77Q==