diff --git a/implementation/server-sent-events/client/yarn.lock b/implementation/server-sent-events/client/yarn.lock
index e278d80..8fc781f 100644
--- a/implementation/server-sent-events/client/yarn.lock
+++ b/implementation/server-sent-events/client/yarn.lock
@@ -8971,8 +8971,8 @@ tapable@^1.0.0, tapable@^1.1.3:
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.1.3.tgz#a1fccc06b58db61fd7a45da2da44f5f3a3e67ba2"
 
 tar@^6.0.2:
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/tar/-/tar-6.1.0.tgz#d1724e9bcc04b977b18d5c573b333a2207229a83"
+  version "6.1.11"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-6.1.11.tgz#6760a38f003afa1b2ffd0ffe9e9abbd0eab3d621"
   dependencies:
     chownr "^2.0.0"
     fs-minipass "^2.0.0"