diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a02f869..d4d34c2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
         python-version: ['3.9', '3.10', '3.11']
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
diff --git a/.github/workflows/security-codeql.yml b/.github/workflows/security-codeql.yml
index a217ae0..e67ebbf 100644
--- a/.github/workflows/security-codeql.yml
+++ b/.github/workflows/security-codeql.yml
@@ -27,7 +27,7 @@ jobs:
         language: ['javascript', 'python']
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
diff --git a/.github/workflows/security-dependency-review.yml b/.github/workflows/security-dependency-review.yml
index 79f32d3..a1feba3 100644
--- a/.github/workflows/security-dependency-review.yml
+++ b/.github/workflows/security-dependency-review.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Dependency Review
         uses: actions/dependency-review-action@v4