diff --git a/.github/workflows/generate.yaml b/.github/workflows/generate.yaml
index 384329e..ee3cfc7 100644
--- a/.github/workflows/generate.yaml
+++ b/.github/workflows/generate.yaml
@@ -38,6 +38,7 @@ jobs:
         run: |
           git config --local user.name 'github-actions[bot]'
           git config --local user.email 'github-actions[bot]@users.noreply.github.com'
+          git checkout main
           git pull origin main
           git add -f README.md README-ja.md
           git commit -m 'generate README.md'