# Julia package not up-to-date

**URL:** <https://discourse.julialang.org/t/julia-package-not-up-to-date/33653>\
**Category:** General Usage\
**Tags:** package-manager\
**Created:** [January 22, 2020, 7:27am UTC](https://discourse.julialang.org/t/julia-package-not-up-to-date/33653 "2020-01-22T07:27:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![nxtruong](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/nxtruong/32/7991_2.png) [@nxtruong](https://discourse.julialang.org/u/nxtruong)\
**Post date:** [January 22, 2020, 7:27am UTC](https://discourse.julialang.org/t/julia-package-not-up-to-date/33653/1 "2020-01-22T07:27:42Z")

</div>

I am using Julia version 1.3.1 (2019-12-30) on Mac OS, official binary downloaded from Julia website.

I wanted to add the package [`Parametron`](https://github.com/tkoolen/Parametron.jl), so I used Julia’s Pkg interface to add it. It reported that the version of `Parametron` installed was 0.8.0. However, on the github repo, the current version is 0.9.1, which was released 7 months ago (version 0.8.0 is over 1 year old). No matter how I tried (removed the package then reinstalled it), the version is always 0.8.0. So I checked [https://github.com/JuliaRegistries/General/tree/master/P/Parametron](https://github.com/JuliaRegistries/General/tree/master/P/Parametron) and version 0.9.1 was in there. When I checked my local registries (`~/.julia/registries/General`) the version of `Parametron` was 0.9.1 as well.

What could be wrong? And how do I resolve the problem and get the latest version of Parametron?

---

<div class="post-metadata">

**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:** [January 22, 2020, 8:07am UTC](https://discourse.julialang.org/t/julia-package-not-up-to-date/33653/2 "2020-01-22T08:07:47Z")

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Maybe some other package you have installed is not compatible with the latest version. You can try to add the version you want explicitly:

```julia
$ pkg add Parametron@0.9

```

and see what the error message suggests. In a clean environment I get 0.9.1 for example:

```julia
$ pkg --project=$(mktemp) add Parametron
 Resolving package versions...
 Installed Parametron ─────── v0.9.1
 Installed MathOptInterface ─ v0.8.4
  Updating `/tmp/tmp.5sXqaE8Z2R`
  [41fac6d6] + Parametron v0.9.1

```