diff --git a/yarn.lock b/yarn.lock
index 71ee2774c3..55b985b889 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8969,9 +8969,9 @@ postcss@8.4.35:
     source-map-js "^1.0.2"
 
 postcss@^8.2.14, postcss@^8.4.23, postcss@^8.4.33, postcss@^8.4.43, postcss@^8.5:
-  version "8.5.5"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.5.tgz#04de7797f6911fb1c96550e96616d08681537ef3"
-  integrity sha512-d/jtm+rdNT8tpXuHY5MMtcbJFBkhXE6593XVR9UoGCH8jSFGci7jGvMGH5RYd5PBJW+00NZQt6gf7CbagJCrhg==
+  version "8.5.6"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.6.tgz#2825006615a619b4f62a9e7426cc120b349a8f3c"
+  integrity sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg==
   dependencies:
     nanoid "^3.3.11"
     picocolors "^1.1.1"