diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 93dd605..23f6797 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -22,7 +22,7 @@ jobs:
           - x64
           # - x86
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
@@ -39,7 +39,7 @@ jobs:
     name: Documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: julia-actions/setup-julia@v2
         with:
           version: '1'
diff --git a/.github/workflows/YASG.yml b/.github/workflows/YASG.yml
index 6f969b6..4be04fc 100644
--- a/.github/workflows/YASG.yml
+++ b/.github/workflows/YASG.yml
@@ -26,7 +26,7 @@ jobs:
       - uses: julia-actions/setup-julia@latest
         with:
           version: ${{ matrix.julia-version }}
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Instantiate `format` environment and format
         run: |
           julia --project=format -e 'using Pkg; Pkg.instantiate()'
diff --git a/.github/workflows/docs-cleanup.yml b/.github/workflows/docs-cleanup.yml
index 6b36927..a886559 100644
--- a/.github/workflows/docs-cleanup.yml
+++ b/.github/workflows/docs-cleanup.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     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/spellcheck.yml b/.github/workflows/spellcheck.yml
index 8188eff..cbebd5b 100644
--- a/.github/workflows/spellcheck.yml
+++ b/.github/workflows/spellcheck.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Actions Repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Check spelling
         uses: crate-ci/typos@a67079b4ae32e18c3f53d75368c52ce53b5fb56b # v1.35.4
         with: