diff --git a/.github/workflows/cli.yml b/.github/workflows/cli.yml
index 5d34de7..fa841c8 100644
--- a/.github/workflows/cli.yml
+++ b/.github/workflows/cli.yml
@@ -18,9 +18,8 @@ jobs:
       uses: actions/checkout@v3
 
     - name: 💎 Set up Ruby
-      uses: ruby/setup-ruby@0a29871fe2b0200a17a4497bae54fe5df0d973aa # v1.115.3
+      uses: ruby/setup-ruby@v1.127.0
       with:
-        ruby-version: '2.7'
         bundler-cache: true # runs 'bundle install' and caches installed gems automatically
 
     - name: 🧪 CLI sanity
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 0c538bc..82ea6db 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -17,7 +17,7 @@ jobs:
     - name: '📥 Checkout repository'
       uses: actions/checkout@v3
     - name: '💎 Setup Ruby'
-      uses: actions/setup-ruby@v1
+      uses: ruby/setup-ruby@v1.127.0
 
     - name: '🔧 Set versions'
       id: versions
diff --git a/.github/workflows/gem-push.yml b/.github/workflows/gem-push.yml
index bbce892..41fc173 100644
--- a/.github/workflows/gem-push.yml
+++ b/.github/workflows/gem-push.yml
@@ -16,10 +16,8 @@ jobs:
     steps:
     - name: '📥 Checkout repository'
       uses: actions/checkout@v3
-    - name: 💎 Set up Ruby 2.6
-      uses: actions/setup-ruby@v1
-      with:
-        ruby-version: 2.6.x
+    - name: 💎 Set up Ruby
+      uses: ruby/setup-ruby@v1.127.0
 
     # - name: 🚀 Publish to GPR
     #   run: |
diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index 228a8f2..c55d3bc 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -18,9 +18,8 @@ jobs:
       uses: actions/checkout@v3
 
     - name: 💎 Set up Ruby
-      uses: ruby/setup-ruby@0a29871fe2b0200a17a4497bae54fe5df0d973aa # v1.115.3
+      uses: ruby/setup-ruby@v1.127.0
       with:
-        ruby-version: 3.1.2
         bundler-cache: true # runs 'bundle install' and caches installed gems automatically
 
     - name: 👮 Rubocop
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 76be618..6bdb981 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -24,7 +24,7 @@ jobs:
       uses: actions/checkout@v3
 
     - name: 💎 Set up Ruby
-      uses: ruby/setup-ruby@0a29871fe2b0200a17a4497bae54fe5df0d973aa # v1.115.3
+      uses: ruby/setup-ruby@v1.127.0
       with:
         ruby-version: ${{ matrix.ruby-version }}
         bundler-cache: true # runs 'bundle install' and caches installed gems automatically
diff --git a/.ruby-version b/.ruby-version
new file mode 100644
index 0000000..ef538c2
--- /dev/null
+++ b/.ruby-version
@@ -0,0 +1 @@
+3.1.2