diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 7a87a38..d1f255f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python 3.11
         uses: actions/setup-python@v6
@@ -58,7 +58,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
@@ -101,7 +101,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index 41c5f08..08bea42 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python 3.11
         uses: actions/setup-python@v6
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 0cf1e66..1286ada 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python 3.11
         uses: actions/setup-python@v6
diff --git a/.github/workflows/sync-labels.yaml b/.github/workflows/sync-labels.yaml
index 47ac3e7..6fbe544 100644
--- a/.github/workflows/sync-labels.yaml
+++ b/.github/workflows/sync-labels.yaml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Run Label Syncer
         uses: micnncim/action-label-syncer@v1.3.0