diff --git a/package.json b/package.json
index 6cada94..a4078e8 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
         "gulp-stylelint": "13.0.0",
         "gulp-uglify": "3.0.2",
         "gulp-zip": "5.1.0",
-        "postcss": "8.3.3",
+        "postcss": "8.3.4",
         "postcss-easy-import": "3.0.0",
         "pump": "3.0.0",
         "stylelint": "13.13.1",
diff --git a/yarn.lock b/yarn.lock
index 53f7b35..227b37c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4580,10 +4580,10 @@ 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@8.3.3:
-  version "8.3.3"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.3.tgz#ef412a7a67e85c5b2c9f0ab3c4d9e8a3814d55cc"
-  integrity sha512-gnXd9C4bGKevvlNFd80I8WfxHX+g6MR+W2h19PlDNHUuT9248rHTvCIDeZI3Hvs5mB3gzXiNDwVK3S153WJbZA==
+postcss@8.3.4:
+  version "8.3.4"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.4.tgz#41ece1c43f2f7c74dc7d90144047ce052757b822"
+  integrity sha512-/tZY0PXExXXnNhKv3TOvZAOUYRyuqcCbBm2c17YMDK0PlVII3K7/LKdt3ScHL+hhouddjUWi+1sKDf9xXW+8YA==
   dependencies:
     colorette "^1.2.2"
     nanoid "^3.1.23"