diff --git a/.gitignore b/.gitignore
index eac4d715..b0f0821c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,5 @@ pkg/
 *~
 vendor/
 .DS_Store
+.venv
+venv
diff --git a/README.md b/README.md
index b2bcc809..3aeb7110 100644
--- a/README.md
+++ b/README.md
@@ -72,6 +72,15 @@ require 'github/markup'
 GitHub::Markup.render_s(GitHub::Markups::MARKUP_MARKDOWN, "* One\n* Two")
 ```
 
+Local Development
+-----------------
+
+```sh
+python3 -m venv .venv
+source .venv/bin/activate
+cd script
+./bootstrap
+```
 
 Contributing
 ------------