Merge pull request #361 from katyhuff/issue360

I suspect this is caused by bundler-cache: true in the workflow.

.github/workflows/deploy-site.yml

@@ -21,7 +21,7 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: 2.0
-          bundler-cache: true
+          bundler-cache: false
 
       - name: Build the website source
         run: bundle exec rake generate