diff --git a/docs/extending/plugins-list.md b/docs/extending/plugins-list.md
index d5c47a3b..54486065 100644
--- a/docs/extending/plugins-list.md
+++ b/docs/extending/plugins-list.md
@@ -101,3 +101,7 @@
   - `addChannel`: Update a Gitea release's pre-release field.
 - [@google/semantic-release-replace-plugin](https://github.com/google/semantic-release-replace-plugin)
   - `prepare`: Replace version strings in files using regex and glob.
+- [semantic-release-rubygem](https://github.com/Gusto/semantic-release-rubygem)
+  - `verifyConditions`: Locate and validate a `.gemspec` file, locate and validate a `lib/**/version.rb` file, verify the presence of the `GEM_HOST_API_KEY` environment variable, and create a credentials file with the API key.
+  - `prepare`: Update the version in the `lib/**/version.rb` version file and [build](https://guides.rubygems.org/command-reference/#gem-build) the gem.
+  - `publish`: [Push the Ruby gem](https://guides.rubygems.org/command-reference/#gem-push) to the gem server.