diff --git a/package-lock.json b/package-lock.json
index 4365b5c8b75d..582316710e1d 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": "^8.4.5",
         "prettier": "^2.4.1",
         "replace": "^1.2.1",
         "rimraf": "^3.0.2",
@@ -17182,14 +17182,14 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.3.11",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.11.tgz",
-      "integrity": "sha512-hCmlUAIlUiav8Xdqw3Io4LcpA1DOt7h3LSTAC4G6JGHFFaWzI6qvFt9oilvl8BmkbBRX1IhM90ZAmpk68zccQA==",
+      "version": "8.4.5",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.5.tgz",
+      "integrity": "sha512-jBDboWM8qpaqwkMwItqTQTiFikhs/67OYVvblFFTM7MrZjt6yMKd6r2kgXizEbTTljacm4NldIlZnhbjr84QYg==",
       "dev": true,
       "dependencies": {
         "nanoid": "^3.1.30",
         "picocolors": "^1.0.0",
-        "source-map-js": "^0.6.2"
+        "source-map-js": "^1.0.1"
       },
       "engines": {
         "node": "^10 || ^12 || >=14"
@@ -19793,9 +19793,9 @@
       }
     },
     "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": "1.0.1",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.1.tgz",
+      "integrity": "sha512-4+TN2b3tqOCd/kaGRJ/sTYA0tR0mdXx26ipdolxcwtJVqEnqNYvlCAt1q3ypy4QMlYus+Zh34RNtYLoq2oQ4IA==",
       "dev": true,
       "engines": {
         "node": ">=0.10.0"
@@ -36220,14 +36220,14 @@
       }
     },
     "postcss": {
-      "version": "8.3.11",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.11.tgz",
-      "integrity": "sha512-hCmlUAIlUiav8Xdqw3Io4LcpA1DOt7h3LSTAC4G6JGHFFaWzI6qvFt9oilvl8BmkbBRX1IhM90ZAmpk68zccQA==",
+      "version": "8.4.5",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.5.tgz",
+      "integrity": "sha512-jBDboWM8qpaqwkMwItqTQTiFikhs/67OYVvblFFTM7MrZjt6yMKd6r2kgXizEbTTljacm4NldIlZnhbjr84QYg==",
       "dev": true,
       "requires": {
         "nanoid": "^3.1.30",
         "picocolors": "^1.0.0",
-        "source-map-js": "^0.6.2"
+        "source-map-js": "^1.0.1"
       }
     },
     "postcss-value-parser": {
@@ -38236,9 +38236,9 @@
       "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": "1.0.1",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.1.tgz",
+      "integrity": "sha512-4+TN2b3tqOCd/kaGRJ/sTYA0tR0mdXx26ipdolxcwtJVqEnqNYvlCAt1q3ypy4QMlYus+Zh34RNtYLoq2oQ4IA==",
       "dev": true
     },
     "source-map-support": {
diff --git a/package.json b/package.json
index d9d5f13e677c..fe88ffa30758 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": "^8.4.5",
     "prettier": "^2.4.1",
     "replace": "^1.2.1",
     "rimraf": "^3.0.2",