diff --git a/bin/build-tw-org.sh b/bin/build-tw-org.sh
index 979f1e8a2..eb76baa85 100755
--- a/bin/build-tw-org.sh
+++ b/bin/build-tw-org.sh
@@ -93,5 +93,5 @@ git config --global user.name "GitHub Actions"
 git add -A .
 git commit --message "GitHub build: $GITHUB_RUN_NUMBER of $TW5_BUILD_BRANCH ($(date +'%F %T %Z'))"
 git remote add deploy "https://$GH_TOKEN@github.com/TiddlyWiki/tiddlywiki.org-gh-pages.git" &>/dev/null
-git push deploy master &>/dev/null
+git push deploy main &>/dev/null
 popd