diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8fc3051..ee4b7f8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python 3.11
         uses: actions/setup-python@v6
@@ -62,7 +62,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python 3.11
         uses: actions/setup-python@v6
@@ -104,7 +104,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
@@ -163,7 +163,7 @@ jobs:
     needs: [lint, type-check, test]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python 3.11
         uses: actions/setup-python@v6
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 3ceb9ad..db50b08 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index d2f8306..ae1495c 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -32,7 +32,7 @@ jobs:
       tag-version: ${{ steps.get-version.outputs.tag-version }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Extract version from tag and pyproject.toml
         id: get-version
@@ -60,7 +60,7 @@ jobs:
     needs: validate-version
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python 3.11
         uses: actions/setup-python@v6
@@ -100,7 +100,7 @@ jobs:
     needs: test
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python 3.11
         uses: actions/setup-python@v6
@@ -212,7 +212,7 @@ jobs:
     needs: [validate-version, build, publish-pypi]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index d94e60d..4991df7 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python 3.11
         uses: actions/setup-python@v6
@@ -118,7 +118,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python 3.11
         uses: actions/setup-python@v6
@@ -161,7 +161,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0