diff --git a/package.json b/package.json
index 6fede9d..bd12a6c 100644
--- a/package.json
+++ b/package.json
@@ -96,7 +96,7 @@
         "gulp-stylelint": "13.0.0",
         "gulp-uglify": "3.0.2",
         "gulp-zip": "5.1.0",
-        "postcss": "8.4.1",
+        "postcss": "8.4.3",
         "postcss-easy-import": "3.0.0",
         "pump": "3.0.0",
         "stylelint": "14.1.0",
diff --git a/yarn.lock b/yarn.lock
index be58643..5ef1744 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4068,10 +4068,10 @@ postcss-value-parser@^4.0.2, postcss-value-parser@^4.1.0:
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.1.0.tgz#443f6a20ced6481a2bda4fa8532a6e55d789a2cb"
   integrity sha512-97DXOFbQJhk71ne5/Mt6cOu6yxsSfM0QGQyl0L25Gca4yGWEGJaig7l7gbCX623VqTBNGLRLaVUCnNkcedlRSQ==
 
-postcss@8.4.1:
-  version "8.4.1"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.1.tgz#73051f825509ad1a716ef500108001bf3d1fa8f7"
-  integrity sha512-WqLs/TTzXdG+/A4ZOOK9WDZiikrRaiA+eoEb/jz2DT9KUhMNHgP7yKPO8vwi62ZCsb703Gwb7BMZwDzI54Y2Ag==
+postcss@8.4.3:
+  version "8.4.3"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.3.tgz#adc55db82e868dea54e9e0e7ecdb0368b5adf65a"
+  integrity sha512-d5gVKo8ekrircqHOQNvSQk8dhGOuAfu1iP6dzfAlnAmcu7EBJ9cFuZG8B1KZK362aaEO3L1H+WM3ny9xQ29tFw==
   dependencies:
     nanoid "^3.1.30"
     picocolors "^1.0.0"