diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index dcadc1f..a43e0e5 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -33,7 +33,7 @@ jobs:
         julia-version: [1]
         os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.julia-version }}
@@ -55,7 +55,7 @@ jobs:
         julia-version: [min, nightly]
         os: [ubuntu-latest]
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.julia-version }}
diff --git a/.github/workflows/Documenter.yml b/.github/workflows/Documenter.yml
index b206c54..e98ea71 100644
--- a/.github/workflows/Documenter.yml
+++ b/.github/workflows/Documenter.yml
@@ -19,7 +19,7 @@ jobs:
     name: Documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: 1
diff --git a/.github/workflows/docs-cleanup.yml b/.github/workflows/docs-cleanup.yml
index a886559..aa9f096 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@v5
+        uses: actions/checkout@v6
         with:
           ref: gh-pages
       - name: Delete preview and history + push changes
diff --git a/.github/workflows/spellcheck.yml b/.github/workflows/spellcheck.yml
index 384780d..c0b55cb 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@v5
+        uses: actions/checkout@v6
       - name: Check spelling
         uses: crate-ci/typos@master
         # don't fail on typos in files not impacted by this PR
diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
index e668590..4790d34 100644
--- a/.github/workflows/style.yml
+++ b/.github/workflows/style.yml
@@ -28,7 +28,7 @@ jobs:
       pull-requests: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: "1"