Jekyll build failure

Lately, I’ve been getting page build failures for my Jekyll site hosted on GitHub Pages:

Page Build Failure

But what’s frustrating is that it doesn’t say what went wrong—plus, my local site has no build issues.

So I started looking for differences. I have Jekyll installed via Bundler so my Gemfile looks like this:

source ''
gem 'github-pages', group: :jekyll_plugins

I update the gems and check the versions:

bundle update && bundle exec github-pages --version
github-pages 39
bundle exec jekyll --version
jekyll 2.4.0

But wait, the GitHub Pages dependency versions are much different than what I have installed locally. What’s going on?

It turns out that there’s a Bundler issue that causes an older version of the gem to be installed if the version is unspecified.

So the current fix is to specify the version in Gemfile until Bundler resolves the issue:

gem 'github-pages', '104', group: :jekyll_plugins

Update your gems:

bundle update

Then build your site:

bundle exec jekyll build --safe

Now when I push my latest commit to my repository, my site builds successfully:

Page Build Success

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