diff --git a/.github/workflows/Downstream.yml b/.github/workflows/Downstream.yml
index 9b73e8e80f..3f516c8bb5 100644
--- a/.github/workflows/Downstream.yml
+++ b/.github/workflows/Downstream.yml
@@ -30,14 +30,14 @@ jobs:
           - {user: SciML, repo: OperatorLearning.jl, group: All}
     if: contains(github.event.pull_request.labels.*.name, 'run downstream test')
     steps:
-      - uses: actions/checkout@v4.2.0
+      - uses: actions/checkout@v4.2.1
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.julia-version }}
           arch: x64
       - uses: julia-actions/julia-buildpkg@latest
       - name: Clone Downstream
-        uses: actions/checkout@v4.2.0
+        uses: actions/checkout@v4.2.1
         with:
           repository: ${{ matrix.package.user }}/${{ matrix.package.repo }}
           path: downstream
diff --git a/.github/workflows/JuliaFormatter.yml b/.github/workflows/JuliaFormatter.yml
index 2ef9270c9e..03eaa08c9f 100644
--- a/.github/workflows/JuliaFormatter.yml
+++ b/.github/workflows/JuliaFormatter.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-20.04
     timeout-minutes: 30
     steps:
-    - uses: actions/checkout@v4.2.0
+    - uses: actions/checkout@v4.2.1
 
     - uses: dorny/paths-filter@v3.0.2
       id: filter
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5af413e76c..aa4c13d212 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,7 +29,7 @@ jobs:
             version: '1'
             arch: aarch64
     steps:
-      - uses: actions/checkout@v4.2.0
+      - uses: actions/checkout@v4.2.1
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
@@ -65,7 +65,7 @@ jobs:
     name: Documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4.2.0
+      - uses: actions/checkout@v4.2.1
       - uses: julia-actions/setup-julia@v2
         with:
           version: '1'
diff --git a/.github/workflows/clean_preview.yml b/.github/workflows/clean_preview.yml
index 0f801d7944..b7f46e284f 100644
--- a/.github/workflows/clean_preview.yml
+++ b/.github/workflows/clean_preview.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout gh-pages branch
-        uses: actions/checkout@v4.2.0
+        uses: actions/checkout@v4.2.1
         with:
           ref: gh-pages
       - name: Delete preview and history + push changes
diff --git a/.github/workflows/fluxbot.yml b/.github/workflows/fluxbot.yml
index dce5e96044..e82f50ce87 100644
--- a/.github/workflows/fluxbot.yml
+++ b/.github/workflows/fluxbot.yml
@@ -14,7 +14,7 @@ jobs:
         julia-arch: [x86]
         os: [ubuntu-latest]
     steps:
-      - uses: actions/checkout@v4.2.0 # v1.0.0
+      - uses: actions/checkout@v4.2.1 # v1.0.0
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.julia-version }}
diff --git a/.github/workflows/nightly-ci.yml b/.github/workflows/nightly-ci.yml
index d421dfae4c..e340370686 100644
--- a/.github/workflows/nightly-ci.yml
+++ b/.github/workflows/nightly-ci.yml
@@ -20,7 +20,7 @@ jobs:
         os: [ubuntu-latest]
         arch: [x64]
     steps:
-      - uses: actions/checkout@v4.2.0
+      - uses: actions/checkout@v4.2.1
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}