diff --git a/package.json b/package.json
index dd74019..46efdb9 100644
--- a/package.json
+++ b/package.json
@@ -97,7 +97,7 @@
         "gulp-stylelint": "13.0.0",
         "gulp-uglify": "3.0.2",
         "gulp-zip": "5.1.0",
-        "postcss": "8.4.4",
+        "postcss": "8.4.5",
         "postcss-easy-import": "3.0.0",
         "pump": "3.0.0",
         "stylelint": "14.1.0",
diff --git a/yarn.lock b/yarn.lock
index 997a17c..6208c6f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4066,10 +4066,10 @@ 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@8.4.4, postcss@^8.3.11:
-  version "8.4.4"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.4.tgz#d53d4ec6a75fd62557a66bb41978bf47ff0c2869"
-  integrity sha512-joU6fBsN6EIer28Lj6GDFoC/5yOZzLCfn0zHAn/MYXI7aPt4m4hK5KC5ovEZXy+lnCjmYIbQWngvju2ddyEr8Q==
+postcss@8.4.5:
+  version "8.4.5"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.5.tgz#bae665764dfd4c6fcc24dc0fdf7e7aa00cc77f95"
+  integrity sha512-jBDboWM8qpaqwkMwItqTQTiFikhs/67OYVvblFFTM7MrZjt6yMKd6r2kgXizEbTTljacm4NldIlZnhbjr84QYg==
   dependencies:
     nanoid "^3.1.30"
     picocolors "^1.0.0"
@@ -4084,6 +4084,15 @@ postcss@^6.0.1, postcss@^6.0.11:
     source-map "^0.6.1"
     supports-color "^5.4.0"
 
+postcss@^8.3.11:
+  version "8.4.4"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.4.tgz#d53d4ec6a75fd62557a66bb41978bf47ff0c2869"
+  integrity sha512-joU6fBsN6EIer28Lj6GDFoC/5yOZzLCfn0zHAn/MYXI7aPt4m4hK5KC5ovEZXy+lnCjmYIbQWngvju2ddyEr8Q==
+  dependencies:
+    nanoid "^3.1.30"
+    picocolors "^1.0.0"
+    source-map-js "^1.0.1"
+
 pretty-hrtime@^1.0.0:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz#b7e3ea42435a4c9b2759d99e0f201eb195802ee1"