The problem with the watchtower

Hm, seems it’s correct Digest

storjlabs/watchtower@sha256:31c0c558ec8adad5cec6cb86320c58018289ca22dafa019c31cd5d6f65f03655

So, it’s latest. But what the real problem?
The docker version should be on 1.13.3, it will be updated only after Windows versions, which are on 20% accordingly to