diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 63e00ff..508409a 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -21,7 +21,7 @@ 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/Format.yml b/.github/workflows/Format.yml
index c400248..1e42d5b 100644
--- a/.github/workflows/Format.yml
+++ b/.github/workflows/Format.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     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/doc_clean_up.yml b/.github/workflows/doc_clean_up.yml
index a3c98fd..e8942c3 100644
--- a/.github/workflows/doc_clean_up.yml
+++ b/.github/workflows/doc_clean_up.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/documentation.yml b/.github/workflows/documentation.yml
index 8da4e5d..85f9227 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -19,7 +19,7 @@ jobs:
       statuses: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: '1.11'