TestNet and MainNet Update: 2.9.1

MainNet and TestNet have been updated to 2.9.1 today, Thu Aug 12, 2021 10:30 AM EDT (14:30 UTC)

If you have your node set to automatic updates, you don’t need to do anything. It will automatically update to the newer version whenever that becomes available.

This release requires a protocol upgrade.
This release contains a consensus protocol upgrade, which implements the following spec: GitHub - algorandfoundation/specs at abc54f79f9ad679d2d22f0fb9909fb005c16f8a1


This release fixes issues with updating applications with ExtraProgramPages.


  1. TEAL
    • Bug Fix: allow an update to applications with ExtraProgramPages. (#2580)

Additional Resources

To update your current version, run the following goal command:

./update.sh -c stable -i -d <data-directory> -n

If you haven’t already done so, we also advise setting up a CRON job to automatically update your algorand networks. If you haven’t done this yet,
you can follow the instructions here: