# Can I run specific version of Jekyll

**URL:** <https://talk.jekyllrb.com/t/can-i-run-specific-version-of-jekyll/3664>\
**Category:** Help\
**Created:** [December 4, 2019, 2:58pm UTC](https://talk.jekyllrb.com/t/can-i-run-specific-version-of-jekyll/3664 "2019-12-04T14:58:46Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![sam](https://avatars.discourse-cdn.com/v4/letter/s/5f9b8f/32.png) [@sam](https://talk.jekyllrb.com/u/sam)\
**Post date:** [December 4, 2019, 2:58pm UTC](https://talk.jekyllrb.com/t/can-i-run-specific-version-of-jekyll/3664/1 "2019-12-04T14:58:47Z")

</div>

I am on Windows 10. How to run `jekyll build` with Jekyll 3.8.5 version?  
 ![image](https://canada1.discourse-cdn.com/flex030/uploads/jekyllrb/original/2X/e/e8128f2a1d2c6a531e610064b1e9b4e748f90091.png)  
I have it installed. I used Windows PowerShell.

```
jekyll 3.8.5 build 

```

returns “Could not find gem ‘jekyll-3.8.5 x64-mingw32’ in any of the gem sources listed in your Gemfile. (Bundler::GemNotFound)”

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<div class="post-metadata">

**Author:** ![mmistakes](https://yyz2.discourse-cdn.com/flex030/user_avatar/talk.jekyllrb.com/mmistakes/32/2169_2.png) [@mmistakes](https://talk.jekyllrb.com/u/mmistakes)\
**Post date:** [December 5, 2019, 4:20am UTC](https://talk.jekyllrb.com/t/can-i-run-specific-version-of-jekyll/3664/2 "2019-12-05T04:20:24Z")

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1. Create a [`Gemfile`](https://bundler.io/v2.0/gemfile.html#gemfiles) in your project.
2. Add the Jekyll gem to it, [specify the version](https://bundler.io/v2.0/man/gemfile.5.html#VERSION) you want.
3. Run `bundle install`
4. Prepend all Jekyll commands with `bundle exec` for example `bundle exec jekyll build`

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<div class="post-metadata">

**Author:** ![sam](https://avatars.discourse-cdn.com/v4/letter/s/5f9b8f/32.png) [@sam](https://talk.jekyllrb.com/u/sam)\
**Post date:** [December 5, 2019, 8:39am UTC](https://talk.jekyllrb.com/t/can-i-run-specific-version-of-jekyll/3664/3 "2019-12-05T08:39:49Z")

</div>

Found this worked:

1. Adding `gem "jekyll", "=3.8.5"` inside gem
2. `bundle update Jekyll`
3. `jekyll build`