diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index dc3de96..9b20acd 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0  # Full history for hatch-vcs versioning
 
@@ -77,7 +77,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0  # Full history for hatch-vcs versioning
 
@@ -113,7 +113,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0
 
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 298b5d8..d99aa41 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -30,7 +30,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v4
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 36b1fd4..db5d4aa 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -30,7 +30,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0  # Full history for hatch-vcs versioning