diff --git a/.github/workflows/publish_to_pypi.yml b/.github/workflows/publish_to_pypi.yml
index 15fc463..51fcdd6 100644
--- a/.github/workflows/publish_to_pypi.yml
+++ b/.github/workflows/publish_to_pypi.yml
@@ -20,7 +20,7 @@ jobs:
     name: Build 🎡 and source 📦
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0  # we need the full history for the version calculation
       - name: Set up Python 3.x
diff --git a/.github/workflows/test_latest.yml b/.github/workflows/test_latest.yml
index 33fbcc7..05e75ec 100644
--- a/.github/workflows/test_latest.yml
+++ b/.github/workflows/test_latest.yml
@@ -35,7 +35,7 @@ jobs:
         shell: bash -l {0}
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1
 
diff --git a/.github/workflows/testsuite.yml b/.github/workflows/testsuite.yml
index 0cb9043..157e7d4 100644
--- a/.github/workflows/testsuite.yml
+++ b/.github/workflows/testsuite.yml
@@ -32,7 +32,7 @@ jobs:
         shell: bash -l {0}
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1