diff --git a/.github/workflows/ci-upstream-dev.yaml b/.github/workflows/ci-upstream-dev.yaml
index 238cae1..9b12e65 100644
--- a/.github/workflows/ci-upstream-dev.yaml
+++ b/.github/workflows/ci-upstream-dev.yaml
@@ -10,7 +10,7 @@ jobs:
       run:
         shell: bash -l {0}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: conda-incubator/setup-miniconda@835234971496cad1653abb28a638a281cf32541f #v3.2.0
         with:
           channels: conda-forge,nodefaults
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index beb9d67..12ec510 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -26,7 +26,7 @@ jobs:
       matrix:
         python-version: ["3.9", "3.12"]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: conda-incubator/setup-miniconda@835234971496cad1653abb28a638a281cf32541f #v3.2.0
         with:
           channels: conda-forge,nodefaults
diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index 6e0b64b..79d8184 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -9,7 +9,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up Python
         uses: actions/setup-python@v6
         with: