# Julia 0.5.1 Pkg.update() throwing error

**URL:** <https://discourse.julialang.org/t/julia-0-5-1-pkg-update-throwing-error/3518>\
**Category:** New to Julia\
**Tags:** question\
**Created:** [May 4, 2017, 4:53pm UTC](https://discourse.julialang.org/t/julia-0-5-1-pkg-update-throwing-error/3518 "2017-05-04T16:53:36Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![ChrisRackauckas](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/chrisrackauckas/32/77_2.png) [@ChrisRackauckas](https://discourse.julialang.org/u/ChrisRackauckas)\
**Post date:** [May 4, 2017, 8:43pm UTC](https://discourse.julialang.org/t/julia-0-5-1-pkg-update-throwing-error/3518/2 "2017-05-04T20:43:15Z")

</div>

Looks like the same problem as

> [@DifferentialEquations Pkg won't be added](https://discourse.julialang.org/t/differentialequations-pkg-wont-be-added/3194):
>
> julia\> versioninfo() Julia Version 0.5.1 Commit 6445c82 (2017-03-05 13:25 UTC) Platform Info: OS: Linux (x86\_64-pc-linux-gnu) CPU: Intel(R) Xeon(R) CPU E5-2680 v3 @ 2.50GHz WORD\_SIZE: 64 BLAS: libopenblas (USE64BITINT DYNAMIC\_ARCH NO\_AFFINITY Haswell) LAPACK: libopenblas64\_ LIBM: libopenlibm LLVM: libLLVM-3.7.1 (ORCJIT, haswell) I was struggling in a combat between Bio and DifferentialEquations, which were trying to downgrade each other. Finally, I decided to initialize the Pkg i…

It’s a bug in the Pkg resolver. The fix will be Julia v0.5.2 and v0.6, which should be released shortly (the PRs are already open for them):

> <https://github.com/JuliaLang/julia/pull/21684>

> <https://github.com/JuliaLang/julia/pull/21694>
>
> will run pkgeval here, make sure we aren't introducing any regressions relative …to beta
> (5d609ec44c3f3c2a3bc40d47e0979ebbf1ba5d29 is a non-backport commit, for this reason)

---

_[View the full topic](https://discourse.julialang.org/t/julia-0-5-1-pkg-update-throwing-error/3518)._