git push heroku masterすると「Push rejected, failed to compile chromedriver app.」でpushがリジェクトされる

概要

■herokuのBuildpackにchromedriverを追加してgit push heroku master すると、pushがリジェクトされる

・chromedriverのURL
https://github.com/heroku/heroku-buildpack-chromedriver.git

下記エラーが表示されてpushがリジェクトされます。
buildpackからchromedriverを削除すると正常にpushできます。

remote: -----> Downloading chromedriver v89.0.4389.82...
remote: Archive:  /tmp/chromedriver.zip
remote:   End-of-central-directory signature not found.  Either this file is not
remote:   a zipfile, or it constitutes one disk of a multi-part archive.  In the
remote:   latter case the central directory and zipfile comment will be found on
remote:   the last disk(s) of this archive.
remote: unzip:  cannot find zipfile directory in one of /tmp/chromedriver.zip or
remote:         /tmp/chromedriver.zip.zip, and cannot find /tmp/chromedriver.zip.ZIP, period.
remote:  !     Push rejected, failed to compile chromedriver app.
remote: 
remote:  !     Push failed
remote: Verifying deploy...
remote: 
remote: !       Push rejected to [app_name].
remote: 
To https://git.heroku.com/[app_name].git
 ! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'https://git.heroku.com/[app_name].git'

requirements.txt

certifi==2020.12.5
chardet==4.0.0
click==7.1.2
Flask==1.1.2
future==0.18.2
gunicorn==20.0.4
heroku==0.1.4
idna==2.10
itsdangerous==1.1.0
Jinja2==2.11.3
line-bot-sdk==1.19.0
MarkupSafe==1.1.1
python-dateutil==1.5
requests==2.25.1
selenium==3.141.0
urllib3==1.26.3
Werkzeug==1.0.1