diff --git a/docs/package-lock.json b/docs/package-lock.json
index 18fc0cb96d..06699cd16b 100644
--- a/docs/package-lock.json
+++ b/docs/package-lock.json
@@ -16,7 +16,7 @@
         "@you54f/theme-github-codeblock": "^0.1.1",
         "autoprefixer": "^10.4.13",
         "clsx": "^1.2.1",
-        "postcss": "^8.4.20",
+        "postcss": "^8.4.21",
         "postcss-import": "^15.1.0",
         "prism-react-renderer": "^1.3.5",
         "react": "^17.0.2",
@@ -8573,9 +8573,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.20",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.20.tgz",
-      "integrity": "sha512-6Q04AXR1212bXr5fh03u8aAwbLxAQNGQ/Q1LNa0VfOI06ZAlhPHtQvE4OIdpj4kLThXilalPnmDSOD65DcHt+g==",
+      "version": "8.4.21",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
+      "integrity": "sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==",
       "funding": [
         {
           "type": "opencollective",
@@ -18914,9 +18914,9 @@
       }
     },
     "postcss": {
-      "version": "8.4.20",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.20.tgz",
-      "integrity": "sha512-6Q04AXR1212bXr5fh03u8aAwbLxAQNGQ/Q1LNa0VfOI06ZAlhPHtQvE4OIdpj4kLThXilalPnmDSOD65DcHt+g==",
+      "version": "8.4.21",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
+      "integrity": "sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==",
       "requires": {
         "nanoid": "^3.3.4",
         "picocolors": "^1.0.0",
diff --git a/docs/package.json b/docs/package.json
index 2a643d7301..14e8a9e249 100644
--- a/docs/package.json
+++ b/docs/package.json
@@ -26,7 +26,7 @@
     "@you54f/theme-github-codeblock": "^0.1.1",
     "autoprefixer": "^10.4.13",
     "clsx": "^1.2.1",
-    "postcss": "^8.4.20",
+    "postcss": "^8.4.21",
     "postcss-import": "^15.1.0",
     "prism-react-renderer": "^1.3.5",
     "react": "^17.0.2",