❯ julia
               _
   _       _ _(_)_     |  Documentation: https://docs.julialang.org
  (_)     | (_) (_)    |
   _ _   _| |_  __ _   |  Type "?" for help, "]?" for Pkg help.
  | | | | | | |/ _` |  |
  | | |_| | | | (_| |  |  Version 1.6.0 (2021-03-24)
 _/ |\__'_|_|_|\__'_|  |  release-1.6/f9720dc2eb* (fork: 291 commits, 106 days)
|__/                   |

(@v1.6) pkg> add Revise
  Installing known registries into `~/.julia`
ERROR: could not download https://pkg.julialang.org/registry/23338594-aafe-5451-b93e-139f81909106/bd9da379f1157e64b21da4e187c5869ad5f1d4fa