Can you clear the cache on CloudFront's CDN server?
According to CloudFront's documentation, you can invalidate your CDN files using the CloudFront API calls. This would affect clearing the cache, so the files are updated again from the server.
API v1: https://docs.aws.amazon.com/cli/latest/reference/cloudfront/create-invalidation.html
API v2: https://awscli.amazonaws.com/v2/documentation/api/latest/reference/cloudfront/create-invalidation.html