AWS credentials for EC2 auto-discovery

According to Hazelcast manual, in order to use EC2 auto-discovery, AWS credentials need to be provided in the config file. Instead of using long-term access keys, is there a way for Hazelcast to retrieve temporary credentials, when hosted on EC2 instance launched in IAM role (per AWS best practice "Use Temporary Security Credentials (IAM Roles) Instead of Long-Term Access Keys")