diff --git a/.github/workflows/website.yml b/.github/workflows/website.yml
index 52496ad..d371067 100644
--- a/.github/workflows/website.yml
+++ b/.github/workflows/website.yml
@@ -29,7 +29,8 @@ jobs:
 
       - name: Install GitHub Pages, Bundler, and kramdown gems
         run: |
-          gem install github-pages bundler kramdown kramdown-parser-gfm
+          gem install github-pages kramdown kramdown-parser-gfm
+          gem install bundler -v 2.4.22
 
       - name: Install Python modules
         run: |