diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 3db6201..e713768 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -30,7 +30,7 @@ jobs:
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
diff --git a/.github/workflows/Docs.yml b/.github/workflows/Docs.yml
index 24cbd90..a24bede 100644
--- a/.github/workflows/Docs.yml
+++ b/.github/workflows/Docs.yml
@@ -20,7 +20,7 @@ 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/DocsPreviewCleanup.yml b/.github/workflows/DocsPreviewCleanup.yml
index 7c3a761..28e47b3 100644
--- a/.github/workflows/DocsPreviewCleanup.yml
+++ b/.github/workflows/DocsPreviewCleanup.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/Format.yml b/.github/workflows/Format.yml
index ae4780a..4e23356 100644
--- a/.github/workflows/Format.yml
+++ b/.github/workflows/Format.yml
@@ -13,7 +13,7 @@ jobs:
   format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: 1