diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index b952de4..1cbea53 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -12,11 +12,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Ruby 3.1
+    - uses: actions/checkout@v4
+    - name: Set up Ruby 3.3
       uses: actions/setup-ruby@v1
       with:
-        ruby-version: 3.1.x
+        ruby-version: 3.3.x
     - name: Build and test with rspec
       run: |
         sudo apt-get update
diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
index 09adedc..a1858c2 100644
--- a/.github/workflows/style.yml
+++ b/.github/workflows/style.yml
@@ -12,11 +12,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Ruby 3.1
-      uses: actions/setup-ruby@v1
+    - uses: actions/checkout@v4
+    - name: Set up Ruby 3.3
+      uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 3.1.x
+        ruby-version: 3.3
     - name: Prepare
       run: |
         sudo apt-get update
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4c92c2f..a286e4a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,11 +12,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Ruby 3.1
+    - uses: actions/checkout@v4
+    - name: Set up Ruby 3.3
       uses: actions/setup-ruby@v1
       with:
-        ruby-version: 3.1.x
+        ruby-version: 3.3.x
     - name: Prepare
       run: |
         sudo apt-get update