diff --git a/.github/workflows/Documentation.yml b/.github/workflows/Documentation.yml
index 3a760652..59d82d02 100644
--- a/.github/workflows/Documentation.yml
+++ b/.github/workflows/Documentation.yml
@@ -25,7 +25,7 @@ jobs:
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: julia-actions/setup-julia@latest
         with:
           version: ${{ matrix.version }}
diff --git a/.github/workflows/DocumentationCleanup.yml b/.github/workflows/DocumentationCleanup.yml
index 5be23b96..f8a1e525 100644
--- a/.github/workflows/DocumentationCleanup.yml
+++ b/.github/workflows/DocumentationCleanup.yml
@@ -16,7 +16,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout gh-pages branch
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: gh-pages
       - name: Delete preview and history + push changes
diff --git a/.github/workflows/FormatCheck.yml b/.github/workflows/FormatCheck.yml
index 53692163..331224a6 100644
--- a/.github/workflows/FormatCheck.yml
+++ b/.github/workflows/FormatCheck.yml
@@ -25,7 +25,7 @@ jobs:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Install JuliaFormatter and format
         run: |
           julia -e 'using Pkg; Pkg.add(PackageSpec(name="JuliaFormatter"))'