diff --git a/.github/workflows/amend.yml b/.github/workflows/amend.yml
index 0addea3..d517f5e 100644
--- a/.github/workflows/amend.yml
+++ b/.github/workflows/amend.yml
@@ -9,7 +9,7 @@ jobs:
     if: github.event.issue.pull_request != '' && contains(github.event.comment.body, '/amend')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           persist-credentials: false
       - name: amend
diff --git a/.github/workflows/no-java.yml b/.github/workflows/no-java.yml
index 0b373da..8eeb77d 100644
--- a/.github/workflows/no-java.yml
+++ b/.github/workflows/no-java.yml
@@ -13,7 +13,7 @@ jobs:
       image: ruby:2.7.2
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Bundle install
       run: bundle install --jobs 4 --retry 3
diff --git a/.github/workflows/no-plantuml.yml b/.github/workflows/no-plantuml.yml
index e5a07c0..ed3a8b8 100644
--- a/.github/workflows/no-plantuml.yml
+++ b/.github/workflows/no-plantuml.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up Ruby 2.7
       uses: ruby/setup-ruby@v1
diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 74706ab..2fecdf3 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -10,7 +10,7 @@ jobs:
       version: ${{ steps.variables.outputs.version }}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
 
@@ -34,7 +34,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Setup Java
       uses: actions/setup-java@v3
@@ -69,7 +69,7 @@ jobs:
       name: ${{ steps.gem.outputs.name }}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - uses: actions/download-artifact@v3
       with:
@@ -166,10 +166,10 @@ jobs:
         (github.event_name != 'pull_request_target' && github.actor != 'dependabot[bot]')
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       if: ${{ github.event_name != 'pull_request_target' }}
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       if: ${{ github.event_name == 'pull_request_target' }}
       with:
         ref: ${{ github.event.pull_request.head.sha }}
@@ -212,7 +212,7 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/') # Only publish tagged commits
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - uses: actions/download-artifact@v3
       with: