diff --git a/package.json b/package.json
index a895c90..7522982 100644
--- a/package.json
+++ b/package.json
@@ -85,7 +85,7 @@
     "gulp-replace": "~1.1.4",
     "gulp-sourcemaps": "~3.0.0",
     "gulp-terser": "~2.1.0",
-    "postcss": "~8.4.30",
+    "postcss": "~8.4.31",
     "postcss-preset-env": "~9.1.4",
     "stylelint": "~15.10.3",
     "stylelint-config-standard-scss": "~11.0.0"
diff --git a/yarn.lock b/yarn.lock
index 9adb1b1..25ec6d5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5268,10 +5268,10 @@ postcss@^8.4.27:
     picocolors "^1.0.0"
     source-map-js "^1.0.2"
 
-postcss@~8.4.30:
-  version "8.4.30"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.30.tgz#0e0648d551a606ef2192a26da4cabafcc09c1aa7"
-  integrity sha512-7ZEao1g4kd68l97aWG/etQKPKq07us0ieSZ2TnFDk11i0ZfDW2AwKHYU8qv4MZKqN2fdBfg+7q0ES06UA73C1g==
+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"