diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 4e7809c..dab723b 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -20,7 +20,7 @@ jobs:
         version:
           - "1"
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
         with:
           version: ${{ matrix.version }}
diff --git a/.github/workflows/Downstream.yml b/.github/workflows/Downstream.yml
index ab344ae..9a215e9 100644
--- a/.github/workflows/Downstream.yml
+++ b/.github/workflows/Downstream.yml
@@ -27,14 +27,14 @@ jobs:
           - { user: LuxDL, repo: LuxLib.jl, group: CUDA }
     if: contains(github.event.pull_request.labels.*.name, 'run downstream test')
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
         with:
           version: ${{ matrix.julia-version }}
           arch: x64
       - uses: julia-actions/julia-buildpkg@v1
       - name: Clone Downstream
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: ${{ matrix.package.user }}/${{ matrix.package.repo }}
           path: downstream
diff --git a/.github/workflows/FormatCheck.yml b/.github/workflows/FormatCheck.yml
index bcf20d5..ac75c52 100644
--- a/.github/workflows/FormatCheck.yml
+++ b/.github/workflows/FormatCheck.yml
@@ -21,7 +21,7 @@ jobs:
         with:
           version: ${{ matrix.julia-version }}
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install JuliaFormatter and format
         run: |
           julia  -e 'using Pkg; Pkg.add(PackageSpec(name="JuliaFormatter"))'
diff --git a/.github/workflows/FormatPR.yml b/.github/workflows/FormatPR.yml
index 87df074..a440730 100644
--- a/.github/workflows/FormatPR.yml
+++ b/.github/workflows/FormatPR.yml
@@ -6,7 +6,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install JuliaFormatter and format
         run: |
           julia  -e 'using Pkg; Pkg.add(PackageSpec(name="JuliaFormatter"))'
diff --git a/.github/workflows/Invalidations.yml b/.github/workflows/Invalidations.yml
index e8ec4aa..6a0a747 100644
--- a/.github/workflows/Invalidations.yml
+++ b/.github/workflows/Invalidations.yml
@@ -19,12 +19,12 @@ jobs:
       - uses: julia-actions/setup-julia@v1
         with:
           version: "1"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-invalidations@v1
         id: invs_pr
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ github.event.repository.default_branch }}
       - uses: julia-actions/julia-buildpkg@v1