diff --git a/yarn.lock b/yarn.lock
index fd7b321276..25d10216b8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4247,9 +4247,9 @@ postcss@^7.0.36:
     source-map "^0.6.1"
 
 postcss@^8.1.10, postcss@^8.2.15, postcss@^8.4, postcss@^8.4.14:
-  version "8.4.18"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.18.tgz#6d50046ea7d3d66a85e0e782074e7203bc7fbca2"
-  integrity sha512-Wi8mWhncLJm11GATDaQKobXSNEYGUHeQLiQqDFG1qQ5UTDPTEvKw0Xt5NsTpktGTwLps3ByrWsBrG0rB8YQ9oA==
+  version "8.4.19"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.19.tgz#61178e2add236b17351897c8bcc0b4c8ecab56fc"
+  integrity sha512-h+pbPsyhlYj6N2ozBmHhHrs9DzGmbaarbLvWipMRO7RLS+v4onj26MPFXA5OBYFxyqYhUJK456SwDcY9H2/zsA==
   dependencies:
     nanoid "^3.3.4"
     picocolors "^1.0.0"