diff --git a/package.json b/package.json
index 099c1d3f..00581a2d 100644
--- a/package.json
+++ b/package.json
@@ -141,7 +141,7 @@
     "normalize.css": "8.0.1",
     "npm-run-all": "4.1.5",
     "nyc": "15.1.0",
-    "postcss": "8.4.26",
+    "postcss": "8.4.31",
     "postcss-import": "14.0.2",
     "postcss-loader": "6.2.1",
     "postcss-preset-env": "7.3.0",
diff --git a/yarn.lock b/yarn.lock
index 57baf376..cf85839c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6527,10 +6527,10 @@ postcss-value-parser@^4.0.0, postcss-value-parser@^4.1.0, postcss-value-parser@^
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz#723c09920836ba6d3e5af019f92bc0971c02e514"
   integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
 
-postcss@8.4.26:
-  version "8.4.26"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.26.tgz#1bc62ab19f8e1e5463d98cf74af39702a00a9e94"
-  integrity sha512-jrXHFF8iTloAenySjM/ob3gSj7pCu0Ji49hnjqzsgSRa50hkWCKD0HQ+gMNJkW38jBI68MpAAg7ZWwHwX8NMMw==
+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"