diff --git a/package.json b/package.json
index d7c2fe6..60f35c4 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": "~8.4.23",
+    "postcss": "~8.4.29",
     "postcss-preset-env": "~8.3.2",
     "stylelint": "~15.10.3",
     "stylelint-config-standard-scss": "~8.0.0"
diff --git a/yarn.lock b/yarn.lock
index a0ac4ac..a3f2117 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5110,7 +5110,7 @@ postcss@^7.0.16:
     picocolors "^0.2.1"
     source-map "^0.6.1"
 
-postcss@^8.4.27:
+postcss@^8.4.27, postcss@~8.4.29:
   version "8.4.29"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.29.tgz#33bc121cf3b3688d4ddef50be869b2a54185a1dd"
   integrity sha512-cbI+jaqIeu/VGqXEarWkRCCffhjgXc0qjBtXpqJhTBohMUjUQnbBr0xqX3vEKudc4iviTewcJo5ajcec5+wdJw==
@@ -5119,15 +5119,6 @@ postcss@^8.4.27:
     picocolors "^1.0.0"
     source-map-js "^1.0.2"
 
-postcss@~8.4.23:
-  version "8.4.23"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.23.tgz#df0aee9ac7c5e53e1075c24a3613496f9e6552ab"
-  integrity sha512-bQ3qMcpF6A/YjR55xtoTr0jGOlnPOKAIMdOWiv0EIT6HVPEaJiJB4NLljSbiHoC2RX7DN5Uvjtpbg1NPdwv1oA==
-  dependencies:
-    nanoid "^3.3.6"
-    picocolors "^1.0.0"
-    source-map-js "^1.0.2"
-
 prebuild-install@^7.1.0, prebuild-install@^7.1.1:
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/prebuild-install/-/prebuild-install-7.1.1.tgz#de97d5b34a70a0c81334fd24641f2a1702352e45"