diff --git a/packages/react-app/yarn.lock b/packages/react-app/yarn.lock
index 69a121e..a36df3d 100644
--- a/packages/react-app/yarn.lock
+++ b/packages/react-app/yarn.lock
@@ -5926,9 +5926,7 @@ postcss@8.4.14:
     source-map-js "^1.0.2"
 
 postcss@^8.4.18, postcss@^8.4.21:
-  version "8.4.21"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.21.tgz#c639b719a57efc3187b13a1d765675485f4134f4"
-  integrity sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==
+  version "8.4.31"
   dependencies:
     nanoid "^3.3.4"
     picocolors "^1.0.0"