diff --git a/package-lock.json b/package-lock.json
index 4365b5c8b75d..8404d9c5b12c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -162,7 +162,7 @@
         "nodemon": "^2.0.14",
         "npm-merge-driver-install": "^2.0.1",
         "object-hash": "^2.2.0",
-        "postcss": "^8.3.11",
+        "postcss": "^8.4.21",
         "prettier": "^2.4.1",
         "replace": "^1.2.1",
         "rimraf": "^3.0.2",
@@ -14913,9 +14913,9 @@
       "optional": true
     },
     "node_modules/nanoid": {
-      "version": "3.1.30",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.30.tgz",
-      "integrity": "sha512-zJpuPDwOv8D2zq2WRoMe1HsfZthVewpel9CAvTfc/2mBD1uUT/agc5f7GHGWXlYkFvi1mVxe4IjvP2HNrop7nQ==",
+      "version": "3.3.4",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.4.tgz",
+      "integrity": "sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw==",
       "bin": {
         "nanoid": "bin/nanoid.cjs"
       },
@@ -17182,21 +17182,27 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.3.11",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.11.tgz",
-      "integrity": "sha512-hCmlUAIlUiav8Xdqw3Io4LcpA1DOt7h3LSTAC4G6JGHFFaWzI6qvFt9oilvl8BmkbBRX1IhM90ZAmpk68zccQA==",
+      "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==",
       "dev": true,
+      "funding": [
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/postcss/"
+        },
+        {
+          "type": "tidelift",
+          "url": "https://tidelift.com/funding/github/npm/postcss"
+        }
+      ],
       "dependencies": {
-        "nanoid": "^3.1.30",
+        "nanoid": "^3.3.4",
         "picocolors": "^1.0.0",
-        "source-map-js": "^0.6.2"
+        "source-map-js": "^1.0.2"
       },
       "engines": {
         "node": "^10 || ^12 || >=14"
-      },
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/postcss/"
       }
     },
     "node_modules/postcss-value-parser": {
@@ -18446,6 +18452,14 @@
         "url": "https://github.com/sponsors/wooorm"
       }
     },
+    "node_modules/rehype-highlight/node_modules/highlight.js": {
+      "version": "11.3.1",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-11.3.1.tgz",
+      "integrity": "sha512-PUhCRnPjLtiLHZAQ5A/Dt5F8cWZeMyj9KRsACsWT+OD6OP0x6dp5OmT5jdx0JgEyPxPZZIPQpRN2TciUT7occw==",
+      "engines": {
+        "node": ">=12.0.0"
+      }
+    },
     "node_modules/rehype-highlight/node_modules/lowlight": {
       "version": "2.4.0",
       "resolved": "https://registry.npmjs.org/lowlight/-/lowlight-2.4.0.tgz",
@@ -19793,9 +19807,9 @@
       }
     },
     "node_modules/source-map-js": {
-      "version": "0.6.2",
-      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-0.6.2.tgz",
-      "integrity": "sha512-/3GptzWzu0+0MBQFrDKzw/DvvMTUORvgY6k6jd/VS6iCR4RDTKWH6v6WPwQoUO8667uQEf9Oe38DxAYWY5F/Ug==",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
+      "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
       "dev": true,
       "engines": {
         "node": ">=0.10.0"
@@ -34424,9 +34438,9 @@
       "optional": true
     },
     "nanoid": {
-      "version": "3.1.30",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.30.tgz",
-      "integrity": "sha512-zJpuPDwOv8D2zq2WRoMe1HsfZthVewpel9CAvTfc/2mBD1uUT/agc5f7GHGWXlYkFvi1mVxe4IjvP2HNrop7nQ=="
+      "version": "3.3.4",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.4.tgz",
+      "integrity": "sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw=="
     },
     "native-url": {
       "version": "0.3.4",
@@ -36220,14 +36234,14 @@
       }
     },
     "postcss": {
-      "version": "8.3.11",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.11.tgz",
-      "integrity": "sha512-hCmlUAIlUiav8Xdqw3Io4LcpA1DOt7h3LSTAC4G6JGHFFaWzI6qvFt9oilvl8BmkbBRX1IhM90ZAmpk68zccQA==",
+      "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==",
       "dev": true,
       "requires": {
-        "nanoid": "^3.1.30",
+        "nanoid": "^3.3.4",
         "picocolors": "^1.0.0",
-        "source-map-js": "^0.6.2"
+        "source-map-js": "^1.0.2"
       }
     },
     "postcss-value-parser": {
@@ -37171,6 +37185,11 @@
             "format": "^0.2.0"
           }
         },
+        "highlight.js": {
+          "version": "11.3.1",
+          "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-11.3.1.tgz",
+          "integrity": "sha512-PUhCRnPjLtiLHZAQ5A/Dt5F8cWZeMyj9KRsACsWT+OD6OP0x6dp5OmT5jdx0JgEyPxPZZIPQpRN2TciUT7occw=="
+        },
         "lowlight": {
           "version": "2.4.0",
           "resolved": "https://registry.npmjs.org/lowlight/-/lowlight-2.4.0.tgz",
@@ -38236,9 +38255,9 @@
       "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w="
     },
     "source-map-js": {
-      "version": "0.6.2",
-      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-0.6.2.tgz",
-      "integrity": "sha512-/3GptzWzu0+0MBQFrDKzw/DvvMTUORvgY6k6jd/VS6iCR4RDTKWH6v6WPwQoUO8667uQEf9Oe38DxAYWY5F/Ug==",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
+      "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
       "dev": true
     },
     "source-map-support": {
diff --git a/package.json b/package.json
index d9d5f13e677c..14fb49d06875 100644
--- a/package.json
+++ b/package.json
@@ -164,7 +164,7 @@
     "nodemon": "^2.0.14",
     "npm-merge-driver-install": "^2.0.1",
     "object-hash": "^2.2.0",
-    "postcss": "^8.3.11",
+    "postcss": "^8.4.21",
     "prettier": "^2.4.1",
     "replace": "^1.2.1",
     "rimraf": "^3.0.2",