Hi Michael, You have to install it from the tar.gz:
wget https://dist.apache.org/repos/dist/dev/incubator/airflow/1.9.0rc1/apache-airflow-1.9.0rc1+incubating-bin.tar.gz pip install /tmp/apache-airflow.tar.gz The steps of updating, are in the UPDATING.md: https://github.com/apache/incubator-airflow/blob/master/UPDATING.md Please note that 1.9 is not released yet, but you are welcome to try out RC1. Cheers, Fokko
