diff --git a/.github/release/release-main-config.json b/.github/release/release-main-config.json
index 111bdb732..a57c0005e 100644
--- a/.github/release/release-main-config.json
+++ b/.github/release/release-main-config.json
@@ -49,6 +49,7 @@
             "component": "Test_Tools"
         }
     },
+    "last-release-sha": "7b453f7745cad73fc81e7884faf473aecda99556",
     "pull-request-footer": "This PR was generated by [Release-Please](https://github.com/googleapis/release-please).",
     "bump-minor-pre-major": true,
     "bump-patch-for-minor-pre-major": true,