diff --git a/.github/workflows/build-documentation.yml b/.github/workflows/build-documentation.yml
index 5fe9033..0a38423 100644
--- a/.github/workflows/build-documentation.yml
+++ b/.github/workflows/build-documentation.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Python 3.12
       uses: actions/setup-python@v5
       with:
diff --git a/.github/workflows/pre-commit-ci.yml b/.github/workflows/pre-commit-ci.yml
index b508b34..edf453c 100644
--- a/.github/workflows/pre-commit-ci.yml
+++ b/.github/workflows/pre-commit-ci.yml
@@ -14,7 +14,7 @@ jobs:
   pre-commit-ci:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0 
     - name: Set up Python
diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index 189ede3..cf48d69 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -23,7 +23,7 @@ jobs:
     permissions:
       id-token: write
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
diff --git a/.github/workflows/smoke-test.yml b/.github/workflows/smoke-test.yml
index 91fb9c1..e79319e 100644
--- a/.github/workflows/smoke-test.yml
+++ b/.github/workflows/smoke-test.yml
@@ -23,7 +23,7 @@ jobs:
         python-version: ['3.11', '3.12', '3.13']
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Cache JAX compilation cache
       uses: actions/cache@v4
       with:
diff --git a/.github/workflows/testing-and-coverage.yml b/.github/workflows/testing-and-coverage.yml
index 036153a..fb40e5a 100644
--- a/.github/workflows/testing-and-coverage.yml
+++ b/.github/workflows/testing-and-coverage.yml
@@ -19,7 +19,7 @@ jobs:
         python-version: ['3.11', '3.12', '3.13']
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with: