diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index a6449be..1e07b9a 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -14,9 +14,10 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@ec106b438a1ff6ff109590de34ddc62c540232e0
+        uses: ruby/setup-ruby@e27aee156d42e38ff8a4c2fc97b125c4087cbcc7
         with:
-          ruby-version: 2.5.8
+          ruby-version: 2.6.6
+          bundler-cache: true
 
       - name: Install gems
         run: |
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 5bb3fa1..f26f6c1 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -16,9 +16,10 @@ jobs:
 
       # Setup Ruby - this needs to match the version in the Gemfile
       - name: Set up Ruby
-        uses: ruby/setup-ruby@ec106b438a1ff6ff109590de34ddc62c540232e0
+        uses: ruby/setup-ruby@e27aee156d42e38ff8a4c2fc97b125c4087cbcc7
         with:
-          ruby-version: 2.5.8
+          ruby-version: 2.6.6
+          bundler-cache: true
 
       # Caching using GitHub's caching action
       - name: Cache Bundler