# Validates Gradle Wrapper JARs This action validates the checksums of [Gradle Wrapper](https://docs.gradle.org/current/userguide/gradle_wrapper.html) JAR files present in the source tree and fails if unknown Gradle Wrapper JAR files are found. ## Usage Simply add this action to your workflow **before** running any Gradle build: ```yaml uses: eskatos/gradle-wrapper-check@releases/v1 ```