This issue tracks adding GraalVM support to the Serialization utility. Please follow guidance for the parent issue: https://github.com/aws-powertools/powertools-lambda-java/issues/1818 We have a guide for adding GraalVM support to a utility: https://github.com/aws-powertools/powertools-lambda-java/blob/7f604e4c67d838d6f72ad340c5f4af7492f1e624/GraalVM.md