diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index ac4e605..48dd4a9 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -1,3 +1,3 @@
 docker:
-  digest: sha256:256df8953e97a55641beb6496ec3ab3551231ee7a1b38abfa32d0c25965caf62
+  digest: sha256:aed9ee30842aa5605b8462743b5d31b8610e022a964b9b6e1e217c6678a6b5b7
   image: gcr.io/repo-automation-bots/owlbot-nodejs:latest
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 891c925..30c09a1 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -1,7 +1,7 @@
 on:
   push:
     branches:
-      - master
+      - default-branch
   pull_request:
 name: ci
 jobs: