diff --git a/.github/workflows/Documentation.yml b/.github/workflows/Documentation.yml
index e47f93896..fd3ca336b 100644
--- a/.github/workflows/Documentation.yml
+++ b/.github/workflows/Documentation.yml
@@ -11,7 +11,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@latest
         with:
           version: '1'
diff --git a/.github/workflows/Downstream.yml b/.github/workflows/Downstream.yml
index db1014256..01ef285e8 100644
--- a/.github/workflows/Downstream.yml
+++ b/.github/workflows/Downstream.yml
@@ -26,14 +26,14 @@ jobs:
           - {user: SciML, repo: ModelOrderReduction.jl, group: All}
           
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
         with:
           version: ${{ matrix.julia-version }}
           arch: x64
       - uses: julia-actions/julia-buildpkg@latest
       - name: Clone Downstream
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           repository: ${{ matrix.package.user }}/${{ matrix.package.repo }}
           path: downstream
diff --git a/.github/workflows/SpellCheck.yml b/.github/workflows/SpellCheck.yml
index 599253c8c..74af4eff7 100644
--- a/.github/workflows/SpellCheck.yml
+++ b/.github/workflows/SpellCheck.yml
@@ -8,6 +8,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Actions Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Check spelling
         uses: crate-ci/typos@v1.16.23 
\ No newline at end of file
diff --git a/.github/workflows/benchmark_pr.yml b/.github/workflows/benchmark_pr.yml
index 20a5467ba..cebf55c3f 100644
--- a/.github/workflows/benchmark_pr.yml
+++ b/.github/workflows/benchmark_pr.yml
@@ -13,7 +13,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-            - uses: actions/checkout@v2
+            - uses: actions/checkout@v4
             - uses: julia-actions/setup-julia@v1
               with:
                 version: "1.8"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index df20a0a1a..2cfcbb974 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - run: |