Mule Upgrade Tool 1.1.5 Release Notes
The Mule upgrade tool is a command line utility for updating and upgrading standalone instances of the Mule 4 runtime engine that are hosted on-premises. The tool can upgrade any supported Mule 4 version (minor, patch, or patch update versions) to a new version.
MuleSoft recommends upgrading to the latest version of Mule.
To incorporate the latest changes and bug fixes, MuleSoft also recommends using the latest version of the tool.
October 20, 2025
Compatibility
| Application/Service | Version |
|---|---|
Mule |
4.1.1 and later |
Fixed Issues
| Issue Resolution | ID |
|---|---|
Upgrade of Mule Agent now honors FIPS mode. |
W-17928490 |
The upgrade tool now correctly parses arguments for custom LOG4J settings files. |
W-17291103 |
The upgrade tool no longer removes empty directories unexpectedly. |
W-18539935 |