diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
index e7b8ff24..92a9e6cc 100644
--- a/.github/workflows/actionlint.yml
+++ b/.github/workflows/actionlint.yml
@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: "Checkout"
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/constraints-update.yml b/.github/workflows/constraints-update.yml
index 0e868aae..de3112ce 100644
--- a/.github/workflows/constraints-update.yml
+++ b/.github/workflows/constraints-update.yml
@@ -16,10 +16,10 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Checkout "update-constraints" in-house CI action
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           repository: instructlab/ci-actions
           path: ci-actions
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index a62b38de..2a6e41af 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: "Checkout"
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           fetch-depth: 0
       - name: "Check Markdown documents"
diff --git a/.github/workflows/e2e-nvidia-l40s-x4-py312.yml b/.github/workflows/e2e-nvidia-l40s-x4-py312.yml
index 6992d0d5..67d273d4 100644
--- a/.github/workflows/e2e-nvidia-l40s-x4-py312.yml
+++ b/.github/workflows/e2e-nvidia-l40s-x4-py312.yml
@@ -25,7 +25,7 @@ jobs:
       ec2-instance-region: ${{ steps.launch-ec2-instance-with-fallback.outputs.ec2-instance-region }}
     steps:
       - name: Checkout "launch-ec2-runner-with-fallback" in-house CI action
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           repository: instructlab/ci-actions
           # clone the "ci-actions" repo to a local directory called "ci-actions", instead of overwriting the current WORKDIR contents
@@ -89,7 +89,7 @@ jobs:
 
     steps:
       - name: Checkout instructlab/training
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           repository: "instructlab/training"
           path: "training"
@@ -155,7 +155,7 @@ jobs:
           path: downloaded-data
 
       - name: Checkout instructlab/training
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           repository: "instructlab/training"
           path: "training"
diff --git a/.github/workflows/e2e-nvidia-l40s-x4-sdk.yml b/.github/workflows/e2e-nvidia-l40s-x4-sdk.yml
index c5a931b4..c5a2359f 100644
--- a/.github/workflows/e2e-nvidia-l40s-x4-sdk.yml
+++ b/.github/workflows/e2e-nvidia-l40s-x4-sdk.yml
@@ -24,7 +24,7 @@ jobs:
       ec2-instance-region: ${{ steps.launch-ec2-instance-with-fallback.outputs.ec2-instance-region }}
     steps:
       - name: Checkout "launch-ec2-runner-with-fallback" in-house CI action
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           repository: instructlab/ci-actions
           # clone the "ci-actions" repo to a local directory called "ci-actions", instead of overwriting the current WORKDIR contents
@@ -94,7 +94,7 @@ jobs:
           sudo dnf install -y gcc gcc-c++ make git python3.11 python3.11-devel
   
       - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           # https://github.com/actions/checkout/issues/249
           fetch-depth: 0
@@ -217,7 +217,7 @@ jobs:
           aws-region: ${{ vars.AWS_REGION }}
 
       - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           # https://github.com/actions/checkout/issues/249
           fetch-depth: 0
diff --git a/.github/workflows/e2e-nvidia-l40s-x4.yml b/.github/workflows/e2e-nvidia-l40s-x4.yml
index c0177053..63c5627c 100644
--- a/.github/workflows/e2e-nvidia-l40s-x4.yml
+++ b/.github/workflows/e2e-nvidia-l40s-x4.yml
@@ -25,7 +25,7 @@ jobs:
       ec2-instance-region: ${{ steps.launch-ec2-instance-with-fallback.outputs.ec2-instance-region }}
     steps:
       - name: Checkout "launch-ec2-runner-with-fallback" in-house CI action
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           repository: instructlab/ci-actions
           # clone the "ci-actions" repo to a local directory called "ci-actions", instead of overwriting the current WORKDIR contents
@@ -89,7 +89,7 @@ jobs:
 
     steps:
       - name: Checkout instructlab/training
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           repository: "instructlab/training"
           path: "training"
@@ -155,7 +155,7 @@ jobs:
           path: downloaded-data
 
       - name: Checkout instructlab/training
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           repository: "instructlab/training"
           path: "training"
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 2c8df16d..28e0610e 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -60,7 +60,7 @@ jobs:
               tox -e mypy
     steps:
       - name: "Checkout"
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           # https://github.com/actions/checkout/issues/249
           fetch-depth: 0
diff --git a/.github/workflows/pypi.yaml b/.github/workflows/pypi.yaml
index 2795f19d..1ca2f26b 100644
--- a/.github/workflows/pypi.yaml
+++ b/.github/workflows/pypi.yaml
@@ -37,7 +37,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: "Checkout"
-              uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+              uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
               with:
                   # for setuptools-scm
                   fetch-depth: 0
diff --git a/.github/workflows/smoke-py312.yaml b/.github/workflows/smoke-py312.yaml
index 400146d1..54331837 100644
--- a/.github/workflows/smoke-py312.yaml
+++ b/.github/workflows/smoke-py312.yaml
@@ -44,7 +44,7 @@ jobs:
       ec2-instance-region: ${{ steps.launch-ec2-instance-with-fallback.outputs.ec2-instance-region }}
     steps:
       - name: Checkout "launch-ec2-runner-with-fallback" in-house CI action
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           repository: instructlab/ci-actions
           # clone the "ci-actions" repo to a local directory called "ci-actions", instead of overwriting the current WORKDIR contents
@@ -108,7 +108,7 @@ jobs:
     permissions: {}
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           fetch-depth: 0
           ref: ${{inputs.branch}}
diff --git a/.github/workflows/smoke.yaml b/.github/workflows/smoke.yaml
index bedeeb3b..4e6729fe 100644
--- a/.github/workflows/smoke.yaml
+++ b/.github/workflows/smoke.yaml
@@ -40,7 +40,7 @@ jobs:
       ec2-instance-region: ${{ steps.launch-ec2-instance-with-fallback.outputs.ec2-instance-region }}
     steps:
       - name: Checkout "launch-ec2-runner-with-fallback" in-house CI action
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           repository: instructlab/ci-actions
           # clone the "ci-actions" repo to a local directory called "ci-actions", instead of overwriting the current WORKDIR contents
@@ -104,7 +104,7 @@ jobs:
     permissions: {}
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/unit.yaml b/.github/workflows/unit.yaml
index c317cafd..8317d78c 100644
--- a/.github/workflows/unit.yaml
+++ b/.github/workflows/unit.yaml
@@ -58,7 +58,7 @@ jobs:
           python-version: "${{ matrix.python }}"
 
       - name: "Checkout code"
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           fetch-depth: 0