diff --git a/package.json b/package.json
index db015c9f2..02e81f9de 100644
--- a/package.json
+++ b/package.json
@@ -91,7 +91,7 @@
     "merges-utils": "^1.0.2",
     "npm-run-all": "^4.1.5",
     "optimize-css-assets-webpack-plugin": "^1.3.1",
-    "postcss": "^5.0.10",
+    "postcss": "^8.2.13",
     "postcss-advanced-variables": "1.2.2",
     "postcss-atroot": "^0.1.2",
     "postcss-color-function": "^3.0.0",
diff --git a/yarn.lock b/yarn.lock
index 54dd21024..0ddc6242b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1875,6 +1875,11 @@ color@^0.11.0:
     color-convert "^1.3.0"
     color-string "^0.3.0"
 
+colorette@^1.2.2:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.4.0.tgz#5190fbb87276259a86ad700bff2c6d6faa3fca40"
+  integrity sha512-Y2oEozpomLn7Q3HFP7dpww7AtMJplbM9lGZP6RDfHqmbeRjiwRg4n6VM6j4KLmRke85uWEI7JqF17f3pqdRA0g==
+
 colormin@^1.0.5:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/colormin/-/colormin-1.1.2.tgz#ea2f7420a72b96881a38aae59ec124a6f7298133"
@@ -5824,6 +5829,11 @@ nan@^2.12.1:
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.0.tgz#7818f722027b2459a86f0295d434d1fc2336c52c"
   integrity sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==
 
+nanoid@^3.1.22:
+  version "3.1.32"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.32.tgz#8f96069e6239cc0a9ae8c0d3b41a3b4933a88c0a"
+  integrity sha512-F8mf7R3iT9bvThBoW4tGXhXFHCctyCiUUPrWF8WaTqa3h96d9QybkSeba43XVOOE3oiLfkVDe4bT8MeGmkrTxw==
+
 nanomatch@^1.2.9:
   version "1.2.13"
   resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
@@ -6982,6 +6992,15 @@ postcss@^6.0.1, postcss@^6.0.23:
     source-map "^0.6.1"
     supports-color "^5.4.0"
 
+postcss@^8.2.13:
+  version "8.2.13"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.13.tgz#dbe043e26e3c068e45113b1ed6375d2d37e2129f"
+  integrity sha512-FCE5xLH+hjbzRdpbRb1IMCvPv9yZx2QnDarBEYSN0N0HYk+TcXsEhwdFcFb+SRWOKzKGErhIEbBK2ogyLdTtfQ==
+  dependencies:
+    colorette "^1.2.2"
+    nanoid "^3.1.22"
+    source-map "^0.6.1"
+
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"