diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index bddf77dd..c84df96d 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -24,7 +24,7 @@ jobs:
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
diff --git a/.github/workflows/CI_ecosystem.yml b/.github/workflows/CI_ecosystem.yml
index 9c51db21..dad19df8 100644
--- a/.github/workflows/CI_ecosystem.yml
+++ b/.github/workflows/CI_ecosystem.yml
@@ -27,7 +27,7 @@ jobs:
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
diff --git a/.github/workflows/CI_extended.yml b/.github/workflows/CI_extended.yml
index 200311ec..c72af036 100644
--- a/.github/workflows/CI_extended.yml
+++ b/.github/workflows/CI_extended.yml
@@ -27,7 +27,7 @@ jobs:
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index f0f2570a..29d182f7 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -14,7 +14,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@latest
         with:
           version: '1'
diff --git a/.github/workflows/preview-documentation.yml b/.github/workflows/preview-documentation.yml
index b85e6154..da5f7272 100644
--- a/.github/workflows/preview-documentation.yml
+++ b/.github/workflows/preview-documentation.yml
@@ -13,7 +13,7 @@ jobs:
     if:  startsWith(github.head_ref, 'documentation/')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@latest
         with:
           version: '1'