README.md in jekyll-theme-conference-3.6.2 vs README.md in jekyll-theme-conference-3.6.3

@@ -174,9 +174,11 @@
 
 To get started, simply copy the desired workflow file to your repository and adapt it to your needs:
 
 - `_tools/build.yml` -> `.github/workflows/build.yml`
 
+Please note that the `Gemfile.lock` of your project must be adapted to include specific versions required by Github's workflow server, i.e. run `bundle lock --add-platform x86_64-linux` to add support for them.
+
 
 ## Configuration
 
 All configurations and customization for this theme are stored under the `conference` property in the `_config.yml` file. You can find an example configuration containing most of the here discussed parameters under `_config.example.yml` in this repository.