diff --git a/docsSrc/package.json b/docsSrc/package.json
index 62589ad..dc018d9 100644
--- a/docsSrc/package.json
+++ b/docsSrc/package.json
@@ -66,7 +66,7 @@
     "eslint-plugin-qunit": "^7.3.0",
     "loader.js": "^4.7.0",
     "npm-run-all": "^4.1.5",
-    "postcss": "8.4.18",
+    "postcss": "8.4.19",
     "postcss-easing-gradients": "3.0.1",
     "postcss-easy-import": "4.0.0",
     "postcss-font-magician": "3.0.0",
diff --git a/docsSrc/yarn.lock b/docsSrc/yarn.lock
index 4aafd44..38cef32 100644
--- a/docsSrc/yarn.lock
+++ b/docsSrc/yarn.lock
@@ -10011,10 +10011,10 @@ postcss-value-parser@^4.0.0, postcss-value-parser@^4.1.0, postcss-value-parser@^
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz#723c09920836ba6d3e5af019f92bc0971c02e514"
   integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
 
-postcss@8.4.18, postcss@^8.4.18:
-  version "8.4.18"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.18.tgz#6d50046ea7d3d66a85e0e782074e7203bc7fbca2"
-  integrity sha512-Wi8mWhncLJm11GATDaQKobXSNEYGUHeQLiQqDFG1qQ5UTDPTEvKw0Xt5NsTpktGTwLps3ByrWsBrG0rB8YQ9oA==
+postcss@8.4.19:
+  version "8.4.19"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.19.tgz#61178e2add236b17351897c8bcc0b4c8ecab56fc"
+  integrity sha512-h+pbPsyhlYj6N2ozBmHhHrs9DzGmbaarbLvWipMRO7RLS+v4onj26MPFXA5OBYFxyqYhUJK456SwDcY9H2/zsA==
   dependencies:
     nanoid "^3.3.4"
     picocolors "^1.0.0"
@@ -10055,6 +10055,15 @@ postcss@^8.2.15:
     picocolors "^1.0.0"
     source-map-js "^1.0.2"
 
+postcss@^8.4.18:
+  version "8.4.18"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.18.tgz#6d50046ea7d3d66a85e0e782074e7203bc7fbca2"
+  integrity sha512-Wi8mWhncLJm11GATDaQKobXSNEYGUHeQLiQqDFG1qQ5UTDPTEvKw0Xt5NsTpktGTwLps3ByrWsBrG0rB8YQ9oA==
+  dependencies:
+    nanoid "^3.3.4"
+    picocolors "^1.0.0"
+    source-map-js "^1.0.2"
+
 prebuild-install@^7.1.1:
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/prebuild-install/-/prebuild-install-7.1.1.tgz#de97d5b34a70a0c81334fd24641f2a1702352e45"