If you want to use Yarn instead of npm on your AEM application for better performance or additional features, here I will guide you through the process. On this post you will: Create AEM App Modify root's pom.xml Select Yarn's Version Modify ui.frontend's pom.xml Build the project Generate the yarn.lock file First, let’s create a new app if you don't have one already using Adobe's archetype. Make sure you define the appTitle, appId, and groupId: Unix-like Shells mvn -B org.apache.maven.plugins:maven-archetype-plugin:3.2.1:generate \ -D archetypeGroupId=com.adobe.aem \ -D archetypeArtifactId=aem-project-archetype \ -D archet