# Using multiple registries

**URL:** <https://discourse.julialang.org/t/using-multiple-registries/16370>\
**Category:** Tooling\
**Tags:** juliapro\
**Created:** [October 15, 2018, 11:13pm UTC](https://discourse.julialang.org/t/using-multiple-registries/16370 "2018-10-15T23:13:25Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![fredrikekre](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/fredrikekre/32/1688_2.png) [@fredrikekre](https://discourse.julialang.org/u/fredrikekre)\
**Post date:** [October 15, 2018, 11:35pm UTC](https://discourse.julialang.org/t/using-multiple-registries/16370/2 "2018-10-15T23:35:07Z")

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> [@heliosdrm](#):
>
> But now that I have two registries, how can I know what will be used by default when `add` -ing new packages, etc.? And there is some option to choose which one use?

Both will be used, the registries are merged when doing Pkg operation such as gathering version info etc.

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_[View the full topic](https://discourse.julialang.org/t/using-multiple-registries/16370)._