diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index baac957..5c1cc24 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -11,7 +11,7 @@ jobs:
     name: docker
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Execute linters and test suites
         run: ./docker/cibuild
       - name: Upload All coverage to Codecov
@@ -30,7 +30,7 @@ jobs:
       run:
         shell: bash -l {0}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up conda cache
         uses: actions/cache@v4
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 81da8b0..7bd0a43 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -10,7 +10,7 @@ jobs:
     name: release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Python 3.x
         uses: actions/setup-python@v5.6.0