diff --git a/Gemfile b/Gemfile
index 741dc8bba..3ce7d6182 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 gem 'jekyll'
-gem 'jekyll-theme-cayman'
+gem "just-the-docs", "0.8.2"
 gem 'jekyll-redirect-from'
 gem 'jekyll-sitemap'
 gem "webrick"
diff --git a/_config.yml b/_config.yml
index 5b0ce9814..f3e5c16ae 100644
--- a/_config.yml
+++ b/_config.yml
@@ -1,4 +1,4 @@
-theme: jekyll-theme-cayman
+theme: just-the-docs
 url: "https://aider.chat"
 
 plugins: