How I Update Craft CMS 3.6.x and Craft CMS Plugins
Published
This article describes the steps that I follow to update Craft 3.6.x and plugins in a stress-free and reliable manner. 🧘

Still running Craft 3.5.x? Checkout out How I Update Craft CMS 3.5.x and Craft CMS Plugins.
Update apnea: the temporary cessation of breath when updating Craft and Craft plugins.
Assumptions
- Craft 3.6.x is installed in local development and production environments.
- Composer 1.3.0 or later is installed in local development and production environments.
- Access to a command line interface (CLI) in local development and production environments.
- The exact versions of Craft and all plugin packages are specified in
composer.json. This prevents unintended updates when runningcomposer updatein your local development environment. However, I make an exception for thevlucas/phpdotenvpackage.
Changes in Craft 3.6.x
The
migrate/allcommand now outputs all pending migrations, and if the shell is interactive, it will prompt the user for confirmation before running them (just likemigrate/up). This change doesn’t affect most deployment tools, as they will typically run terminal commands via non-interactive shells, however that’s not always the case.
Source: Upgrading to Craft 3.6
In Local Development Environment
Updating Craft
- Confirm the latest version of Craft by visiting the Update utility in the Craft control panel at http://example.test/admin/utilities/updates.
- Edit the
craftcms/cmsline in thecomposer.jsonfile to change the Craft Composer package to the latest version. - From the command line in the Craft project root, run:
./craft db/backupto backup the Craft database.composer updateto update the Craft Composer package to the version specified incomposer.json. See step 2../craft migrate/all --interactive=0to run Craft database migrations. The--interactive=0flag forces the command to run without user input../craft project-config/applyto apply Craft project config file changes../craft clear-caches/allto clear all the caches.
- Verify that Craft has been updated to the specified version and is still working as expected.
Updating a Craft Plugin
- Confirm the latest version of the plugin by visiting the Update utility in the Craft control panel at http://example.test/admin/utilities/updates.
- Edit the
vendor/package-nameline in thecomposer.jsonfile to change the plugin Composer package to the latest version. - From the command line in the Craft project root, run:
./craft db/backupto backup the Craft database.composer updateto update the plugin Composer package to the version specified incomposer.json. See step 2../craft migrate/all --interactive=0to run plugin database migrations. The--interactive=0flag forces the command to run without user input../craft project-config/applyto apply project config file changes../craft clear-caches/allto clear all the caches.
- Verify that the plugin has been updated to the specified version and is still working as expected.
- Repeat steps 1-4 for all other plugins that I want to update.
In Production Environment
Installing Updated Craft CMS and/or Plugins
- From the command line in the Craft project root, run:
./craft db/backupto backup the Craft database.composer installto install the Craft and/or plugin Composer packages that I previously updated in my local development environment../craft migrate/all --interactive=0to run all database migrations. The--interactive=0flag forces the command to run without user input../craft project-config/applyto apply project config file changes../craft clear-caches/allto clear all the caches.
- Verify that Craft and/or plugins have been updated to the specified versions and are still working as expected.
Automating the Craft CLI Commands
To avoid running the above Craft CLI commands manually, I’ve added the following Composer command events with the relevant Craft CLI commands to the scripts section of my Craft project’s composer.json file.
"pre-update-cmd": [
"@php craft backup/db"
],
"post-update-cmd": [
"@php craft migrate/all --interactive=0",
"@php craft project-config/apply",
"@php craft clear-caches/all"
],
"pre-install-cmd": [
"@php craft backup/db"
],
"post-install-cmd": [
"@php craft migrate/all --interactive=0",
"@php craft project-config/apply",
"@php craft clear-caches/all"
]By following the steps described above, I can calmly and confidently update Craft and plugins in my local development and production environments.
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