diff --git a/yarn.lock b/yarn.lock
index 0753f5cb21..34462e4482 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4288,9 +4288,9 @@ 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 "8.4.16"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.16.tgz#33a1d675fac39941f5f445db0de4db2b6e01d43c"
-  integrity sha512-ipHE1XBvKzm5xI7hiHCZJCSugxvsdq2mPnsq5+UF+VHCjiBvtDrlxJfMBToWaP9D5XlgNmcFGqoHmUn0EYEaRQ==
+  version "8.4.17"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.17.tgz#f87863ec7cd353f81f7ab2dec5d67d861bbb1be5"
+  integrity sha512-UNxNOLQydcOFi41yHNMcKRZ39NeXlr8AxGuZJsdub8vIb12fHzcq37DTU/QtbI6WLxNg2gF9Z+8qtRwTj1UI1Q==
   dependencies:
     nanoid "^3.3.4"
     picocolors "^1.0.0"