diff --git a/docs/index.md b/docs/index.md
index 03f92af1..886c9fd0 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -1,5 +1,11 @@
 This is the documentation home for Rojo.
 
+Other versions of these docs:
+
+* [0.5.x](https://lpghatguy.github.io/rojo/0.5.x)
+* [0.4.x](https://lpghatguy.github.io/rojo/0.4.x)
+* [`master` branch](https://lpghatguy.github.io/rojo/master)
+
 **Rojo** is a flexible multi-tool designed for creating robust Roblox projects.
 
 This documentation is a continual work in progress. If you find any issues, please file an issue on [Rojo's issue tracker](https://github.com/LPGhatguy/rojo/issues)!
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diff --git a/generate-docs b/generate-docs
new file mode 100644
index 00000000..d74e096d
--- /dev/null
+++ b/generate-docs
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# Kludged documentation generator to support multiple versions.
+# Make sure the `site` folder is a checkout of this repository's `gh-pages`
+# branch.
+# To use, run `generate-docs` in the root of the repository.
+
+set -e
+
+CURRENT_BRANCH=$(git rev-parse --abbrev-ref HEAD)
+
+echo "Building 0.4.x"
+git checkout v0.4.x
+mkdocs build --site-dir site
+mkdocs build --site-dir site/0.4.x
+
+git checkout master
+
+echo "Building master"
+mkdocs build --site-dir site/master
+
+echo "Building 0.5.x"
+mkdocs build --site-dir site/0.5.x
+
+git checkout "$CURRENT_BRANCH"
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