diff --git a/.github/workflows/rspec.yml b/.github/workflows/rspec.yml
index ad0d5c20b..174a1a6e3 100644
--- a/.github/workflows/rspec.yml
+++ b/.github/workflows/rspec.yml
@@ -70,11 +70,7 @@ jobs:
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby-version }}
-        # see https://github.com/castwide/solargraph/actions/runs/19391419903/job/55485410493?pr=1119
-        #
-        # match version in Gemfile.lock and use same version below
-        bundler: 2.5.23
-        bundler-cache: false
+        bundler-cache: true
     - name: Set rbs version
       run: echo "gem 'rbs', '${{ matrix.rbs-version }}'" >> .Gemfile
     #  /home/runner/.rubies/ruby-head/lib/ruby/gems/3.5.0+2/gems/rbs-3.9.4/lib/rbs.rb:11:
@@ -83,9 +79,8 @@ jobs:
     #    starting from Ruby 3.6.0
     - name: Work around legacy rbs deprecation on ruby > 3.4
       run: echo "gem 'tsort'" >> .Gemfile
-    - name: Install gems
+    - name: Update gems
       run: |
-        bundle _2.5.23_ install
         bundle update rbs # use latest available for this Ruby version
     - name: Update types
       run: bundle exec rbs collection update
@@ -103,13 +98,7 @@ jobs:
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: '3.4'
-        # see https://github.com/castwide/solargraph/actions/runs/19391419903/job/55485410493?pr=1119
-        #
-        # match version in Gemfile.lock and use same version below
-        bundler: 2.5.23
-        bundler-cache: false
-    - name: Install gems
-      run: bundle install
+        bundler-cache: true
     - name: Update types
       run: bundle exec rbs collection update
     - name: Run tests