diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 32dbe0e..e6f8775 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "5.0.0"
+  ".": "4.0.0"
 }
diff --git a/release-please-config.json b/release-please-config.json
index 4b734cb..9f0f6d6 100644
--- a/release-please-config.json
+++ b/release-please-config.json
@@ -1,4 +1,5 @@
 {
+  "bootstrap-sha": "ffc2e94144f2a4ddfd5f42e09c228713d4510fd6",
   "packages": {
     ".": {
       "release-type": "simple",