diff --git a/projects/packages/jetpack-mu-wpcom/composer.json b/projects/packages/jetpack-mu-wpcom/composer.json
index 1e41423144f2a..b925f9721d725 100644
--- a/projects/packages/jetpack-mu-wpcom/composer.json
+++ b/projects/packages/jetpack-mu-wpcom/composer.json
@@ -14,7 +14,8 @@
 		"automattic/jetpack-stats-admin": "@dev",
 		"automattic/jetpack-status": "@dev",
 		"automattic/scheduled-updates": "@dev",
-		"automattic/jetpack-compat": "@dev"
+		"automattic/jetpack-compat": "@dev",
+		"scssphp/scssphp": "1.12.0"
 	},
 	"require-dev": {
 		"yoast/phpunit-polyfills": "1.1.0",