diff --git a/package-lock.json b/package-lock.json
index b457bb70f2d..47de2fcc536 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -161,7 +161,7 @@
 				"junit-report-merger": "^3.0.2",
 				"memory-fs": "^0.5.0",
 				"mocha-junit-reporter": "^2.0.2",
-				"postcss": "^8.4.38",
+				"postcss": "^8.5.4",
 				"rimraf": "^3.0.2",
 				"sass": "^1.89.0",
 				"semver": "^7.6.0",
@@ -23053,9 +23053,9 @@
 			}
 		},
 		"node_modules/postcss": {
-			"version": "8.5.3",
-			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.3.tgz",
-			"integrity": "sha512-dle9A3yYxlBSrt8Fu+IpjGT8SY8hN0mlaA6GY8t0P5PjIOZemULz/E2Bnm/2dcUOena75OTNkHI76uZBNUUq3A==",
+			"version": "8.5.4",
+			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.4.tgz",
+			"integrity": "sha512-QSa9EBe+uwlGTFmHsPKokv3B/oEMQZxfqW0QqNCyhpa6mB1afzulwn8hihglqAb2pOw+BJgNlmXQ8la2VeHB7w==",
 			"funding": [
 				{
 					"type": "opencollective",
@@ -23072,7 +23072,7 @@
 			],
 			"license": "MIT",
 			"dependencies": {
-				"nanoid": "^3.3.8",
+				"nanoid": "^3.3.11",
 				"picocolors": "^1.1.1",
 				"source-map-js": "^1.2.1"
 			},
@@ -46947,11 +46947,11 @@
 			"integrity": "sha512-d7Uw+eZoloe0EHDIYoe+bQ5WXnGMOpmiZFTuMWCwpjzzkL2nTjcKiAk4hh8TjnGye2TwWOk3UXucZ+3rbmBa8Q=="
 		},
 		"postcss": {
-			"version": "8.5.3",
-			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.3.tgz",
-			"integrity": "sha512-dle9A3yYxlBSrt8Fu+IpjGT8SY8hN0mlaA6GY8t0P5PjIOZemULz/E2Bnm/2dcUOena75OTNkHI76uZBNUUq3A==",
+			"version": "8.5.4",
+			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.4.tgz",
+			"integrity": "sha512-QSa9EBe+uwlGTFmHsPKokv3B/oEMQZxfqW0QqNCyhpa6mB1afzulwn8hihglqAb2pOw+BJgNlmXQ8la2VeHB7w==",
 			"requires": {
-				"nanoid": "^3.3.8",
+				"nanoid": "^3.3.11",
 				"picocolors": "^1.1.1",
 				"source-map-js": "^1.2.1"
 			}
diff --git a/package.json b/package.json
index 5ee3be9a43a..a76a1783a0d 100644
--- a/package.json
+++ b/package.json
@@ -188,7 +188,7 @@
 		"junit-report-merger": "^3.0.2",
 		"memory-fs": "^0.5.0",
 		"mocha-junit-reporter": "^2.0.2",
-		"postcss": "^8.4.38",
+		"postcss": "^8.5.4",
 		"rimraf": "^3.0.2",
 		"sass": "^1.89.0",
 		"semver": "^7.6.0",