Skipping Major Versions When Upgrading JIRA

To upgrade from early versions of JIRA (3.x or earlier) to newer versions, you must upgrade to JIRA 4.4.5 before upgrading to a later version.

Follow these steps to skip major versions as you upgrade JIRA:

1. Prepare: Read the upgrade guides for all the major versions between your current version and the version to which you are upgrading. You can read about important changes between versions in the Important Version-Specific Upgrade Notes.
2. Upgrade to an interim version (JIRA 3.x or earlier only): Upgrade to JIRA 4.4.5 following these Upgrading JIRA with a Fallback Method instructions. 
3. Upgrade to the new version: Upgrade to the new version of JIRA following these appropriate instructions. Use the table on Upgrading JIRA page to determine which method is appropriate for your environment.