diff --git a/.github/workflows/build_gem.yml b/.github/workflows/build_gem.yml
index e551bec..f8d2d45 100644
--- a/.github/workflows/build_gem.yml
+++ b/.github/workflows/build_gem.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Setup Branch
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Ruby ${{ matrix.ruby-version }}
         uses: ruby/setup-ruby@v1
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 21e3b4d..7ec35b6 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -27,7 +27,7 @@ jobs:
     if: success()
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: '2.7'
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 569e703..f8946b8 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Setup Branch
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5e92a52..4d5fc08 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Setup Branch
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Ruby ${{ matrix.ruby-version }}
         uses: ruby/setup-ruby@v1
diff --git a/.github/workflows/upload_sarif.yml b/.github/workflows/upload_sarif.yml
index 98b3706..64f870c 100644
--- a/.github/workflows/upload_sarif.yml
+++ b/.github/workflows/upload_sarif.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Setup Branch
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set Up Ruby
         uses: ruby/setup-ruby@v1