The last release of Gosu is one year old and the owner of the codebase is not planning on updating the go version. https://github.com/docker-library/postgres/blob/0b87a9bbd23f56b1e9e863ecda5cc9e66416c4e0/17/bullseye/Dockerfile#L31 https://github.com/redis/docker-library-redis/issues/424 https://github.com/tianon/gosu/issues/136