diff --git a/examples/snailbook/server/yarn.lock b/examples/snailbook/server/yarn.lock
index a1a15b1..b1e22e9 100644
--- a/examples/snailbook/server/yarn.lock
+++ b/examples/snailbook/server/yarn.lock
@@ -980,9 +980,9 @@ wrap-ansi@^6.2.0:
     strip-ansi "^6.0.0"
 
 ws@^7.3.0:
-  version "7.3.0"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-7.3.0.tgz#4b2f7f219b3d3737bc1a2fbf145d825b94d38ffd"
-  integrity sha512-iFtXzngZVXPGgpTlP1rBqsUK82p9tKqsWRPg5L56egiljujJT3vGAYnHANvFxBieXrTFavhzhxW52jnaWV+w2w==
+  version "7.4.6"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c"
+  integrity sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==
 
 y18n@^4.0.0:
   version "4.0.0"