Using advice from Drush: Update core from stable to dev I ran drush up drupal-7.x in order to switch from 7.7 to 7.x-dev.

However I'm now in the position whereby I want to move the project back to 7.8, however I don't seem to be able to figure out how to do this. I've tried:

drush up drupal-7.8

Which produces:

 Name         Installed version  Proposed version  Status
 Drupal core  7.x-dev            7.x-dev           Specified version available

So it appears to understand I'm asking for a new version, but following this through just updates the site to the latest 7.x-dev.

3 Answers 3


You could hack the includes/bootstrap.inc file The very first line of code will be something like:

define('VERSION', '7.11-dev');

Set it to 7.7, and drush should accept that 7.8 is a never release. I know that hacking core is strongly discouraged, but since the upgrade itself will remove the hack, I think it's more than ok.


You probably need to upgrade to a version of Drush that is at least 7.x-4.5 so that you don't run into Specifying the version to update a module doesn't work in d7.

  • You can update drush easily with drush self-up or something like that.
    – yvan
    Sep 9, 2011 at 6:50
  • I thought I already was on 7.x-4.5, but i ran drush self-update anyway, and it offered me a bunch of options, one of which was 7.x-4.5, so I assume I wasn't on that version already. However after doing this, I still can't update to stable, and drush self-update continues to offer 7.x-4.5. drush version tells me I am at 4.5.
    – DanH
    Sep 9, 2011 at 8:00

Long story short, it doesn't look like you can. I think the basic reasoning is that dev is generally always going to be newer that the latest stable release and that would be a Drupal downgrade, which is not possible through Drush.

Basically, if you want to do it...you'll have to do it manually :(.

See here.

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