diff --git a/.github/workflows/gem.yml b/.github/workflows/gem.yml
index 4a0d4f2..9507544 100644
--- a/.github/workflows/gem.yml
+++ b/.github/workflows/gem.yml
@@ -6,7 +6,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/rspec.yml b/.github/workflows/rspec.yml
index 8d4c096..bf3630d 100644
--- a/.github/workflows/rspec.yml
+++ b/.github/workflows/rspec.yml
@@ -12,7 +12,7 @@ jobs:
         # Source: https://www.ruby-lang.org/en/downloads/branches/
         ruby: [ 2.7, 3.0, 3.1 ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index 220fbe7..012f8ae 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Ruby & Gems
         uses: ruby/setup-ruby@v1
         with: