diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 38e901fd..740de6dc 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -16,7 +16,7 @@ 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/docscleanup.yml b/.github/workflows/docscleanup.yml
index 3d51d414..ab6d5ede 100644
--- a/.github/workflows/docscleanup.yml
+++ b/.github/workflows/docscleanup.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
 
diff --git a/.github/workflows/register-pypi.yml b/.github/workflows/register-pypi.yml
index 33929c44..58e6c0f7 100644
--- a/.github/workflows/register-pypi.yml
+++ b/.github/workflows/register-pypi.yml
@@ -11,7 +11,7 @@ jobs:
   register:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         ref: ${{ inputs.git_ref }}
     - name: Set up Python
diff --git a/.github/workflows/tests-nightly.yml b/.github/workflows/tests-nightly.yml
index 3f2c7c0b..a59c243a 100644
--- a/.github/workflows/tests-nightly.yml
+++ b/.github/workflows/tests-nightly.yml
@@ -19,7 +19,7 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-latest]
         jlversion: ['~1.9.0-0', 'nightly']
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ inputs.jl_version }}
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8002fcd3..746d020d 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -28,7 +28,7 @@ jobs:
           pythonexe: python
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Julia ${{ matrix.jlversion }}
         uses: julia-actions/setup-julia@v2
@@ -85,7 +85,7 @@ jobs:
       PYTHON_JULIACALL_HANDLE_SIGNALS: 'yes'
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python ${{ matrix.pyversion }}
         uses: actions/setup-python@v6