How to Upgrade Koha to Stable Version

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How to Upgrade Koha to Stable Version

A new version of Koha is regularly released every six months with new features and enhancements. Each koha release has a version number that consists of the year and month of the release. Here are the easy steps to upgrade the koha to a stable release.

Before upgrading koha to a new version, I would recommend taking a backup of your koha database. 

Apply the following commands in the Terminal

Upgrade the Koha

sudo apt-get update

sudo apt-get upgrade

apt-cache policy koha-common | grep -E 'Installed|Candidate'

It shows

Installed: 21.05.01-1

Candidate: 21.05.09-1

Then Update the koha to stable version

sudo apt-get upgrade

This will upgrade to the latest minor version, e.g. from 22.05.04 til 22.11.05 (It will also upgrade all the other software on your server that needs an upgrade.)

The upgrade will print a list of software to be updated, please read this list before proceeding with the upgrade, and if packages related to mysql or mariadb are present, you should cancel and run the database upgrade first. If the package listed was mariadb-server*, first run:

sudo apt-get install mariadb-server

sudo apt-get upgrade

Upgrade Database Schema

sudo koha-upgrade-schema library

('library' is the name of the koha instance)

Rebuild the Zebra Index

sudo koha-rebuild-zebra -v -f library

Upgrading Koha to a major version

sudo apt-get update

apt-cache policy koha-common | grep -E 'Installed|Candidate'

It shows

Installed: 19.05.14-1

Candidate: 21.05.04-1

Then run these commands

sudo apt-get upgrade

sudo apt-get dist-upgrade


Upgrade Database Schema

sudo koha-upgrade-schema library

('library' is the name of the koha instance)

Rebuild the Zebra Index

sudo koha-rebuild-zebra -v -f library


Confirm the 'koha-common' package has been installed successfully

dpkg -s koha-common | grep Status

Status: install ok installed


If face any error in upgrading using this command for solve

sudo a2dismod mpm_event 

sudo apt-get install -f


(or try this)

The above commands not working try below.

Other way to upgrade the Koha commands.

Install repository key for the latest stable or oldstable version (change in the command stable or oldstabale)

sudo apt-get update

sudo apt-get upgrade

echo deb http://debian.koha-community.org/koha stable main | sudo tee /etc/apt/sources.list.d/koha.list

sudo apt-get update

Install the latest koha version

sudo apt-get install koha-common

Clean the packages after upgradation

sudo apt-get clean

Upgrade Database Schema

sudo koha-upgrade-schema library

('library' is the name of the koha instance)


Rebuild the Zebra Index

sudo koha-rebuild-zebra -v -f library


Ref: Koha on Debian - Koha Wiki (koha-community.org)

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