1. Documentation
  2. Getting Up and Running
  3. Installing Blackfire

Updating Blackfire

Installing and updating Blackfire should be a quick process. This document will guide you through the steps.

For a better experience, you should or .

Tell us what you want to do:

I want to Blackfire
on a machine
which uses
for the language.

Latest Versions

For your information, here are the latest versions of each Blackfire component:

  Latest Version Installed Version
Unified Agent and Client v2 2.16.1 
blackfire version
Agent v1 1.50.0 
blackfire-agent -v
Client v1 1.50.0 
blackfire version
PHP Probe 1.87.2 
php --ri blackfire
Chrome/Firefox Extension 1.27.26

Update Packages

  1. Update the Debian repository:
    sudo apt update
  2. Update the blackfire package:
    sudo apt install --only-upgrade blackfire
  3. Update the PHP Probe:
    sudo blackfire php:install

    If you installed the PHP Probe via the package manager, head to the step-by-step guide to upgrade.

Restart Services

  1. Restart the agent service: 
    sudo systemctl restart blackfire-agent
  2. Restart your web server or PHP-FPM and check that there are no errors in the logs. To debug problems, you can change the log level and the log file in the Probe configuration.