diff --git a/plugins/auth-backend/package.json b/plugins/auth-backend/package.json
index 342718db55..8f7f623652 100644
--- a/plugins/auth-backend/package.json
+++ b/plugins/auth-backend/package.json
@@ -36,6 +36,7 @@
     "@backstage/config": "^0.1.10",
     "@backstage/errors": "^0.1.1",
     "@backstage/test-utils": "^0.1.19",
+    "@google-cloud/firestore": "^4.15.1",
     "@types/express": "^4.17.6",
     "@types/passport": "^1.0.3",
     "compression": "^1.7.4",