diff --git a/package.json b/package.json
index add801b..9b80fa5 100644
--- a/package.json
+++ b/package.json
@@ -81,7 +81,7 @@
     "gulp-replace": "~1.1.3",
     "gulp-sourcemaps": "~3.0.0",
     "gulp-terser": "~2.1.0",
-    "postcss": "~8.4.12",
+    "postcss": "~8.4.13",
     "postcss-preset-env": "~7.4.4",
     "stylelint": "~14.7.1",
     "stylelint-config-standard-scss": "~3.0.0"
diff --git a/yarn.lock b/yarn.lock
index 90652f4..776b24c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4386,6 +4386,11 @@ nanoid@^3.3.1:
   resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.2.tgz#c89622fafb4381cd221421c69ec58547a1eec557"
   integrity sha512-CuHBogktKwpm5g2sRgv83jEy2ijFzBwMoYA60orPDR7ynsLijJDqgsi4RDGj3OJpy3Ieb+LYwiRmIOGyytgITA==
 
+nanoid@^3.3.3:
+  version "3.3.4"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.4.tgz#730b67e3cd09e2deacf03c027c81c9d9dbc5e8ab"
+  integrity sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw==
+
 nanomatch@^1.2.9:
   version "1.2.13"
   resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
@@ -5483,7 +5488,7 @@ postcss@^7.0.16:
     picocolors "^0.2.1"
     source-map "^0.6.1"
 
-postcss@^8.4.12, postcss@~8.4.12:
+postcss@^8.4.12:
   version "8.4.12"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.12.tgz#1e7de78733b28970fa4743f7da6f3763648b1905"
   integrity sha512-lg6eITwYe9v6Hr5CncVbK70SoioNQIq81nsaG86ev5hAidQvmOeETBqs7jm43K2F5/Ley3ytDtriImV6TpNiSg==
@@ -5492,6 +5497,15 @@ postcss@^8.4.12, postcss@~8.4.12:
     picocolors "^1.0.0"
     source-map-js "^1.0.2"
 
+postcss@~8.4.13:
+  version "8.4.13"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.13.tgz#7c87bc268e79f7f86524235821dfdf9f73e5d575"
+  integrity sha512-jtL6eTBrza5MPzy8oJLFuUscHDXTV5KcLlqAWHl5q5WYRfnNRGSmOZmOZ1T6Gy7A99mOZfqungmZMpMmCVJ8ZA==
+  dependencies:
+    nanoid "^3.3.3"
+    picocolors "^1.0.0"
+    source-map-js "^1.0.2"
+
 prebuild-install@^7.0.1:
   version "7.0.1"
   resolved "https://registry.yarnpkg.com/prebuild-install/-/prebuild-install-7.0.1.tgz#c10075727c318efe72412f333e0ef625beaf3870"