diff --git a/packages/react-theme/package.json b/packages/react-theme/package.json
index 6512cc5e6bb995..61f3df8ae49f6d 100644
--- a/packages/react-theme/package.json
+++ b/packages/react-theme/package.json
@@ -27,6 +27,7 @@
   },
   "devDependencies": {
     "@fluentui/eslint-plugin": "*",
+    "@fluentui/react-utilities": "9.0.0-rc.4",
     "@fluentui/scripts": "^1.0.0",
     "@types/react": "16.9.42",
     "@types/react-dom": "16.9.10",