diff --git a/.github/workflows/reusable-generate-docs.yml b/.github/workflows/reusable-generate-docs.yml
index 56756d9..a6c3b63 100644
--- a/.github/workflows/reusable-generate-docs.yml
+++ b/.github/workflows/reusable-generate-docs.yml
@@ -46,7 +46,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6.0.2
 
       - name: Install Pandoc
         run: |
diff --git a/.github/workflows/validate-cross-repo-metrics.yml b/.github/workflows/validate-cross-repo-metrics.yml
index 231ad1b..1fcab0e 100644
--- a/.github/workflows/validate-cross-repo-metrics.yml
+++ b/.github/workflows/validate-cross-repo-metrics.yml
@@ -19,30 +19,30 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout ai-assisted-docs
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6.0.2
         with:
           path: ai-assisted-docs
 
       - name: Checkout wp-security-benchmark
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6.0.2
         with:
           repository: dknauss/wp-security-benchmark
           path: wp-security-benchmark
 
       - name: Checkout wp-security-hardening-guide
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6.0.2
         with:
           repository: dknauss/wp-security-hardening-guide
           path: wp-security-hardening-guide
 
       - name: Checkout wordpress-runbook-template
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6.0.2
         with:
           repository: dknauss/wordpress-runbook-template
           path: wordpress-runbook-template
 
       - name: Checkout wp-security-style-guide
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6.0.2
         with:
           repository: dknauss/wp-security-style-guide
           path: wp-security-style-guide
diff --git a/.github/workflows/validate-reusable-generate-docs.yml b/.github/workflows/validate-reusable-generate-docs.yml
index 21ee688..22f831f 100644
--- a/.github/workflows/validate-reusable-generate-docs.yml
+++ b/.github/workflows/validate-reusable-generate-docs.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6.0.2
 
       - name: Install actionlint
         run: |
diff --git a/.github/workflows/validate-review-preflight.yml b/.github/workflows/validate-review-preflight.yml
index dcf7a1b..37516c0 100644
--- a/.github/workflows/validate-review-preflight.yml
+++ b/.github/workflows/validate-review-preflight.yml
@@ -26,7 +26,7 @@ jobs:
 
     steps:
       - name: Checkout ai-assisted-docs
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6.0.2
 
       - name: Install actionlint
         run: |
@@ -53,7 +53,7 @@ jobs:
 
     steps:
       - name: Checkout ai-assisted-docs
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6.0.2
 
       - name: Install actionlint
         run: |