diff --git a/.github/workflows/agentready-assessment.yml b/.github/workflows/agentready-assessment.yml
index ce85920..f88b586 100644
--- a/.github/workflows/agentready-assessment.yml
+++ b/.github/workflows/agentready-assessment.yml
@@ -126,7 +126,7 @@ jobs:
 
       - name: Checkout current repository
         if: steps.parse.outputs.assess_current == 'true'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.event.pull_request.head.ref || github.ref }}
 
diff --git a/.github/workflows/tests_simplified.yml b/.github/workflows/tests_simplified.yml
index 703d09c..0b7d121 100644
--- a/.github/workflows/tests_simplified.yml
+++ b/.github/workflows/tests_simplified.yml
@@ -16,7 +16,7 @@ jobs:
         python-version: ['3.12', '3.13']
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
@@ -48,7 +48,7 @@ jobs:
     continue-on-error: true  # Don't fail CI
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: '3.13'
@@ -79,7 +79,7 @@ jobs:
     continue-on-error: true
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: '3.13'