diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index c20d015cd9..dfcdca7ffa 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -31,6 +31,5 @@ jobs:
       with:
         ruby-version: ${{ matrix.ruby-version }}
         bundler-cache: true # runs 'bundle install' and caches installed gems automatically
-        bundler: "1.17"
     - name: Run tests
       run: bundle exec rspec spec