diff --git a/theme/yarn.lock b/theme/yarn.lock
index 4b9956bf2..53158e7da 100644
--- a/theme/yarn.lock
+++ b/theme/yarn.lock
@@ -3948,9 +3948,9 @@ postcss-value-parser@^4.2.0:
   integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
 
 postcss@^8.2.14, postcss@^8.4.27:
-  version "8.4.29"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.29.tgz#33bc121cf3b3688d4ddef50be869b2a54185a1dd"
-  integrity sha512-cbI+jaqIeu/VGqXEarWkRCCffhjgXc0qjBtXpqJhTBohMUjUQnbBr0xqX3vEKudc4iviTewcJo5ajcec5+wdJw==
+  version "8.4.31"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.31.tgz#92b451050a9f914da6755af352bdc0192508656d"
+  integrity sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==
   dependencies:
     nanoid "^3.3.6"
     picocolors "^1.0.0"