diff --git a/.github/workflows/install-example-projects.yml b/.github/workflows/install-example-projects.yml
index 50a13c88..c0401155 100644
--- a/.github/workflows/install-example-projects.yml
+++ b/.github/workflows/install-example-projects.yml
@@ -16,7 +16,7 @@ jobs:
     env:
       PYTHONIOENCODING: "utf8" # https://gist.github.com/NodeJSmith/e7e37f2d3f162456869f015f842bcf15
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Set up Python
@@ -48,7 +48,7 @@ jobs:
     env:
       PYTHONIOENCODING: "utf8" # https://gist.github.com/NodeJSmith/e7e37f2d3f162456869f015f842bcf15
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Set up Python ${{ matrix.python-version }}
@@ -94,7 +94,7 @@ jobs:
     env:
       PYTHONIOENCODING: "utf8" # https://gist.github.com/NodeJSmith/e7e37f2d3f162456869f015f842bcf15
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - uses: conda-incubator/setup-miniconda@v3
diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index a88acb4b..7b591bad 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -16,7 +16,7 @@ jobs:
     env:
       PYTHONIOENCODING: "utf8" # https://gist.github.com/NodeJSmith/e7e37f2d3f162456869f015f842bcf15
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Set up Python ${{ matrix.python-version }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 54456ab1..b62cdb69 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,7 +13,7 @@ jobs:
     permissions:
       id-token: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/update-readme.yml b/.github/workflows/update-readme.yml
index 8016f455..b7a34509 100644
--- a/.github/workflows/update-readme.yml
+++ b/.github/workflows/update-readme.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           persist-credentials: false
           fetch-depth: 0