diff --git a/release-please-config.json b/release-please-config.json
index 0ed9f7d..b9c685a 100644
--- a/release-please-config.json
+++ b/release-please-config.json
@@ -1,9 +1,10 @@
 {
   "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json",
   "bump-minor-pre-major": true,
-  "prerelease": true,
-  "prerelease-type": "alpha",
   "packages": {
-    ".": {}
+    ".": {
+      "prerelease": true,
+      "prerelease-type": "alpha"
+    }
   }
 }