diff --git a/web/package.json b/web/package.json
index 715bc5765251c6..c19e02bcb05732 100644
--- a/web/package.json
+++ b/web/package.json
@@ -102,7 +102,7 @@
     "husky": "^8.0.3",
     "lint-staged": "^13.2.2",
     "miragejs": "^0.1.47",
-    "postcss": "^8.4.21",
+    "postcss": "^8.4.31",
     "sass": "^1.61.0",
     "tailwindcss": "^3.3.3",
     "typescript": "4.9.5",
diff --git a/web/yarn.lock b/web/yarn.lock
index ed305bc0343199..d4669c634bd821 100644
--- a/web/yarn.lock
+++ b/web/yarn.lock
@@ -5059,10 +5059,10 @@ postcss@8.4.14:
     picocolors "^1.0.0"
     source-map-js "^1.0.2"
 
-postcss@^8.4.21, postcss@^8.4.23:
-  version "8.4.24"
-  resolved "https://registry.npmjs.org/postcss/-/postcss-8.4.24.tgz"
-  integrity sha512-M0RzbcI0sO/XJNucsGjvWU9ERWxb/ytp1w6dKtxTKgixdtQDq4rmx/g8W1hnaheq9jgwL/oyEdH5Bc4WwJKMqg==
+postcss@^8.4.23, postcss@^8.4.31:
+  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"