# How to get version number from Package compiled into System Image?

**URL:** <https://discourse.julialang.org/t/how-to-get-version-number-from-package-compiled-into-system-image/58687>\
**Category:** General Usage\
**Tags:** package-compiler\
**Created:** [April 6, 2021, 2:48pm UTC](https://discourse.julialang.org/t/how-to-get-version-number-from-package-compiled-into-system-image/58687 "2021-04-06T14:48:53Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Brad\_Carman](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/brad_carman/32/17631_2.png) [@Brad\_Carman](https://discourse.julialang.org/u/Brad_Carman)\
**Post date:** [April 6, 2021, 2:48pm UTC](https://discourse.julialang.org/t/how-to-get-version-number-from-package-compiled-into-system-image/58687/1 "2021-04-06T14:48:53Z")

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If I use PackageCompiler.jl to add a package to my system image, how can I get the version number of the package that was compiled?

I’m aware of PkgVersion.jl, but I believe this is only returning the version number found from the package as installed in my environment. So for example if I add Colors.jl v0.12.6 to my system image, but then update my environment to Colors.jl v0.12.7, how can I ask Julia running my custom system image for the version of Colors.jl such that I get v0.12.6 back?

Furthermore, if I launch Julia using my custom system image with Colors.jl included, then as I understand the Colors namespace/module is all ready loaded, in other words I don’t need to call `using Colors` and if I run `names(Main, imported=true)` then Colors will be in the list. But, what if I did call `using Colors`? Which module would then be loaded? The already loaded module in my system image, or would Colors.jl from my environment then load?