Hi, The Mojo team is pleased to announce the release of the Extra-Enforcer-Rules version 1.0-alpha-2. Apache's Maven Enforcer Plugin is used to apply and enforce rules on your Maven projects.The Enforcer plugin ships with a set of standard rules.The Mojo project hosts this project to provide extra rules which are not part of the standard rule set. http://mojo.codehaus.org/extra-enforcer-rules/ To use any of the extra rules you just need to add the extra rules as a dependency of the Apache Maven Enforcer Plugin: <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-enforcer-plugin</artifactId> <version>1.0.1</version> <dependencies> <dependency> <groupId>org.codehaus.mojo</groupId> <artifactId>extra-enforcer-rules</artifactId> <version>1.0-alpha-2</version> </dependency> </dependencies> </plugin> Release NotesBug[MOJO-1682] - Extra option to also check transitive dependencies for duplicates[MOJO-1731] - BanDuplicateClasses fails when there is a dependency of type pom[MOJO-1759] - NullPointerException when encountering a corrupt dependencyNew Feature[MOJO-1744] - support ignore classes for specific dependencies Enjoy, The Mojo team. Robert Scholte