diff --git a/package-lock.json b/package-lock.json
index a7206235e..cb095192c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -33,7 +33,7 @@
 		},
 		"css": {
 			"name": "@microsoft/atlas-css",
-			"version": "6.5.0",
+			"version": "6.6.0",
 			"license": "MIT",
 			"devDependencies": {
 				"@microsoft/stylelint-config-atlas": "5.0.0",
@@ -14101,9 +14101,9 @@
 			}
 		},
 		"node_modules/postcss": {
-			"version": "8.5.6",
-			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.6.tgz",
-			"integrity": "sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg==",
+			"version": "8.5.14",
+			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.14.tgz",
+			"integrity": "sha512-SoSL4+OSEtR99LHFZQiJLkT59C5B1amGO1NzTwj7TT1qCUgUO6hxOvzkOYxD+vMrXBM3XJIKzokoERdqQq/Zmg==",
 			"funding": [
 				{
 					"type": "opencollective",
@@ -17668,10 +17668,10 @@
 		},
 		"site": {
 			"name": "@microsoft/atlas-site",
-			"version": "1.3.0",
+			"version": "1.4.0",
 			"license": "MIT",
 			"devDependencies": {
-				"@microsoft/atlas-css": "6.5.0",
+				"@microsoft/atlas-css": "6.6.0",
 				"@microsoft/atlas-js": "^1.15.0",
 				"@microsoft/parcel-transformer-markdown-html": "2.7.2",
 				"@parcel/transformer-sass": "2.16.3",