diff --git a/Gemfile b/Gemfile
index 64dff3c31..0e10c6479 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,4 +7,5 @@ gem "yard-sorbet"
 
 group :test do
   gem "rake"
+  gem "webrick"
 end
diff --git a/README.md b/README.md
index 1efd90f03..50ece0a7c 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,13 @@ bundle install
 bundle exec jekyll serve --source docs
 ```
 
+To regenerate the RubyDoc on each request to <http://localhost:8808>, run:
+
+```bash
+cd `brew --repo`/Library/Homebrew
+yard server --reload
+```
+
 ## License
 
 Code is under the [BSD 2-clause "Simplified" License](LICENSE.txt).