diff --git a/website/package-lock.json b/website/package-lock.json
index 303c8daef..3c3f0f69d 100644
--- a/website/package-lock.json
+++ b/website/package-lock.json
@@ -13,7 +13,7 @@
                 "@docusaurus/preset-classic": "2.2.0",
                 "@mdx-js/react": "^1.6.22",
                 "clsx": "^1.2.1",
-                "postcss": "^8.4.20",
+                "postcss": "^8.4.21",
                 "rapidoc": "^9.3.3",
                 "react": "^17.0.2",
                 "react-before-after-slider-component": "^1.1.6",
@@ -8723,9 +8723,9 @@
             }
         },
         "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",
@@ -18865,9 +18865,9 @@
             }
         },
         "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/website/package.json b/website/package.json
index dbbf549fc..5a4ec5e28 100644
--- a/website/package.json
+++ b/website/package.json
@@ -19,7 +19,7 @@
         "@docusaurus/preset-classic": "2.2.0",
         "@mdx-js/react": "^1.6.22",
         "clsx": "^1.2.1",
-        "postcss": "^8.4.20",
+        "postcss": "^8.4.21",
         "rapidoc": "^9.3.3",
         "react": "^17.0.2",
         "react-before-after-slider-component": "^1.1.6",