diff --git a/setup2/yarn.lock b/setup2/yarn.lock
index 3b8967b..3bdd18b 100644
--- a/setup2/yarn.lock
+++ b/setup2/yarn.lock
@@ -3568,11 +3568,9 @@ find-up@^4.0.0:
     path-exists "^4.0.0"
 
 flat@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/flat/-/flat-5.0.0.tgz#dab7d71d60413becb0ac2de9bf4304495e3af6af"
-  integrity sha512-6KSMM+cHHzXC/hpldXApL2S8Uz+QZv+tq5o/L0KQYleoG+GcwrnIJhTWC7tCOiKQp8D/fIvryINU1OZCCwevjA==
-  dependencies:
-    is-buffer "~2.0.4"
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/flat/-/flat-5.0.2.tgz#8ca6fe332069ffa9d324c327198c598259ceb241"
+  integrity sha512-b6suED+5/3rTpUBdG1gupIl8MPFCAMA0QXwmljLhvCUKcUvdE4gWky9zpuGCcXHOsz4J9wPGNWq6OKpmIzz3hQ==
 
 flatten@^1.0.2:
   version "1.0.3"
@@ -4215,11 +4213,6 @@ is-buffer@^1.1.5:
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
   integrity sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==
 
-is-buffer@~2.0.4:
-  version "2.0.4"
-  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-2.0.4.tgz#3e572f23c8411a5cfd9557c849e3665e0b290623"
-  integrity sha512-Kq1rokWXOPXWuaMAqZiJW4XxsmD9zGx9q4aePabbn3qCRGedtH7Cm+zV8WETitMfu1wdh+Rvd6w5egwSngUX2A==
-
 is-callable@^1.1.4, is-callable@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.0.tgz#83336560b54a38e35e3a2df7afd0454d691468bb"