Instructions on how to upgrade jdepend. Obtain the most recent version of jdepend from http://www.clarkware.com/software/JDepend.html Unzip the file into this directory. In the new directory, remove the following: contrib docs sample src test Change the references to the old directory to the new directory in the following files: build.xml In SVN remove the old jdepend directory. You may need to tell ant where to find the jdepend jar. This varies by ide or whether ant is run standalone. See build.xml for further info. If you have copied the jdepend jar to ANT_HOME/lib, you will want to delete the older one.