diff --git a/.github/workflows/_build-packages.yml b/.github/workflows/_build-packages.yml
index 48f7257..204b79c 100644
--- a/.github/workflows/_build-packages.yml
+++ b/.github/workflows/_build-packages.yml
@@ -22,7 +22,7 @@ jobs:
   init:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: |
           mkdir dist && touch dist/.placeholder
       - name: Keep artifact
@@ -43,7 +43,7 @@ jobs:
       matrix:
         pkg-name: ${{ fromJSON(inputs.pkg-names) }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/download-artifact@v3
         with:
           name: ${{ inputs.artifact-name }}
diff --git a/.github/workflows/_legacy-checkpoints.yml b/.github/workflows/_legacy-checkpoints.yml
index 15d226e..c1a2a47 100644
--- a/.github/workflows/_legacy-checkpoints.yml
+++ b/.github/workflows/_legacy-checkpoints.yml
@@ -55,7 +55,7 @@ jobs:
     outputs:
       pl-version: ${{ steps.decide-version.outputs.pl-version }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: actions/setup-python@v5
         with:
@@ -130,7 +130,7 @@ jobs:
     env:
       PL_VERSION: ${{ needs.create-legacy-ckpts.outputs.pl-version }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           ref: master
 
diff --git a/.github/workflows/ci-pkg-install.yml b/.github/workflows/ci-pkg-install.yml
index 5e772c9..4c09d3f 100644
--- a/.github/workflows/ci-pkg-install.yml
+++ b/.github/workflows/ci-pkg-install.yml
@@ -46,7 +46,7 @@ jobs:
         pkg-name: ["fabric", "pytorch", "lightning", "notset"]
         python-version: ["3.9", "3.11"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
diff --git a/.github/workflows/ci-tests-fabric.yml b/.github/workflows/ci-tests-fabric.yml
index c2fda73..08b6339 100644
--- a/.github/workflows/ci-tests-fabric.yml
+++ b/.github/workflows/ci-tests-fabric.yml
@@ -89,7 +89,7 @@ jobs:
       # TODO: Remove this - Enable running MPS tests on this platform
       DISABLE_MPS: ${{ matrix.os == 'macOS-14' && '1' || '0' }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
diff --git a/.github/workflows/ci-tests-pytorch.yml b/.github/workflows/ci-tests-pytorch.yml
index ba8519e..ea47f00 100644
--- a/.github/workflows/ci-tests-pytorch.yml
+++ b/.github/workflows/ci-tests-pytorch.yml
@@ -94,7 +94,7 @@ jobs:
       # TODO: Remove this - Enable running MPS tests on this platform
       DISABLE_MPS: ${{ matrix.os == 'macOS-14' && '1' || '0' }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
diff --git a/.github/workflows/cleanup-caches.yml b/.github/workflows/cleanup-caches.yml
index 93bce48..d9ddd90 100644
--- a/.github/workflows/cleanup-caches.yml
+++ b/.github/workflows/cleanup-caches.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Cleanup
         run: |
diff --git a/.github/workflows/code-checks.yml b/.github/workflows/code-checks.yml
index 37fa432..7973ffa 100644
--- a/.github/workflows/code-checks.yml
+++ b/.github/workflows/code-checks.yml
@@ -28,7 +28,7 @@ jobs:
   mypy:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11"
diff --git a/.github/workflows/docker-build.yml b/.github/workflows/docker-build.yml
index 09ae3ad..bf360c2 100644
--- a/.github/workflows/docker-build.yml
+++ b/.github/workflows/docker-build.yml
@@ -49,7 +49,7 @@ jobs:
           - { python_version: "3.11", pytorch_version: "2.4", cuda_version: "12.1.0" }
           - { python_version: "3.12", pytorch_version: "2.5", cuda_version: "12.1.0" }
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           submodules: true
       - uses: docker/setup-buildx-action@v3
@@ -110,7 +110,7 @@ jobs:
           - { python_version: "3.11", pytorch_version: "2.4.1", cuda_version: "12.1.0" }
           - { python_version: "3.12", pytorch_version: "2.5.1", cuda_version: "12.1.0" }
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: docker/setup-buildx-action@v3
       - uses: docker/login-action@v3
         if: env.PUSH_NIGHTLY == 'true' && github.repository_owner == 'Lightning-AI'
@@ -151,7 +151,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Build Conda Docker
         # publish master/release
         continue-on-error: true
diff --git a/.github/workflows/docs-build.yml b/.github/workflows/docs-build.yml
index adbc461..4efe179 100644
--- a/.github/workflows/docs-build.yml
+++ b/.github/workflows/docs-build.yml
@@ -63,7 +63,7 @@ jobs:
       PIN_RELEASE_VERSIONS: 1
       ARTIFACT_DAYS: 0
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           ref: ${{ inputs.checkout }}
           # only Pytorch has/uses notebooks
diff --git a/.github/workflows/docs-tutorials.yml b/.github/workflows/docs-tutorials.yml
index 5879a7d..126a812 100644
--- a/.github/workflows/docs-tutorials.yml
+++ b/.github/workflows/docs-tutorials.yml
@@ -18,7 +18,7 @@ jobs:
   docs-update:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           submodules: true
           fetch-depth: 0
diff --git a/.github/workflows/labeler-issue.yml b/.github/workflows/labeler-issue.yml
index 00905bd..afcd273 100644
--- a/.github/workflows/labeler-issue.yml
+++ b/.github/workflows/labeler-issue.yml
@@ -19,7 +19,7 @@ jobs:
       contents: read
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Parse issue form
         uses: stefanbuck/github-issue-parser@v3
diff --git a/.github/workflows/release-nightly.yml b/.github/workflows/release-nightly.yml
index 396e485..38b2a54 100644
--- a/.github/workflows/release-nightly.yml
+++ b/.github/workflows/release-nightly.yml
@@ -23,7 +23,7 @@ jobs:
     env:
       PKG_NAME: "lightning"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5
         with:
           python-version: 3.9
@@ -53,7 +53,7 @@ jobs:
     env:
       PKG_NAME: "lightning"
     steps:
-      - uses: actions/checkout@v4 # needed to use local composite action
+      - uses: actions/checkout@v5 # needed to use local composite action
       - uses: actions/download-artifact@v4
         with:
           name: nightly-packages-${{ github.sha }}
diff --git a/.github/workflows/release-pkg.yml b/.github/workflows/release-pkg.yml
index 39f0267..0a00681 100644
--- a/.github/workflows/release-pkg.yml
+++ b/.github/workflows/release-pkg.yml
@@ -37,7 +37,7 @@ jobs:
     needs: build-packages
     if: github.event_name == 'release'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/download-artifact@v3
         with:
           name: dist-packages-${{ github.sha }}
@@ -54,7 +54,7 @@ jobs:
     outputs:
       tag: ${{ steps.lai-package.outputs.version }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ env.PYTHON_VER }}
@@ -74,7 +74,7 @@ jobs:
       TAG: ${{ needs.release-version.outputs.tag }}
       BRANCH_NAME: "trigger/lightning-${{ needs.release-version.outputs.tag }}"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           repository: gridai/base-images
           token: ${{ secrets.PAT_GHOST }}
@@ -139,7 +139,7 @@ jobs:
       matrix:
         name: ["FABRIC", "PYTORCH", "LIGHTNING"]
     steps:
-      - uses: actions/checkout@v4 # needed for local action below
+      - uses: actions/checkout@v5 # needed for local action below
       - uses: actions/download-artifact@v3
         with:
           name: dist-packages-${{ github.sha }}
@@ -164,7 +164,7 @@ jobs:
       matrix:
         name: ["FABRIC", "PYTORCH", "LIGHTNING"]
     steps:
-      - uses: actions/checkout@v4 # needed for local action below
+      - uses: actions/checkout@v5 # needed for local action below
       - uses: actions/download-artifact@v3
         with:
           name: dist-packages-${{ github.sha }}