Version 1.4.0 Not Available on Maven Central

The latest version of this library, 1.4.0, is not available on Maven Central to download. I have checked the following sites to confirm.
 
- https://mvnrepository.com/artifact/software.amazon.lynx/nimbus-jose-jwt_aws-kms-extension
- https://central.sonatype.com/artifact/software.amazon.lynx/nimbus-jose-jwt_aws-kms-extension?smo=true