diff --git a/package.json b/package.json
index 05129aed..ccf06b1a 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
         "gulp-util": "3.0.8",
         "gulp-watch": "5.0.1",
         "gulp-zip": "5.1.0",
-        "postcss": "8.3.3",
+        "postcss": "8.3.4",
         "postcss-color-mod-function": "3.0.3",
         "postcss-easy-import": "3.0.0"
     },
diff --git a/yarn.lock b/yarn.lock
index c1220a8f..28470037 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4215,10 +4215,10 @@ postcss-values-parser@^2.0.0:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-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"