diff --git a/.github/workflows/.codecov.yml b/.github/workflows/.codecov.yml
index ad283d2..0635d7c 100644
--- a/.github/workflows/.codecov.yml
+++ b/.github/workflows/.codecov.yml
@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout code coverage
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Set up Python 3.10
diff --git a/.github/workflows/cicd.yml b/.github/workflows/cicd.yml
index 0a0f5b4..257736d 100644
--- a/.github/workflows/cicd.yml
+++ b/.github/workflows/cicd.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -66,7 +66,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index 30597b0..4aac4a7 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python 3.10
         uses: actions/setup-python@v6