diff --git a/.github/workflows/integrationtest.yml b/.github/workflows/integrationtest.yml
index 8d0307f..05aefd1 100644
--- a/.github/workflows/integrationtest.yml
+++ b/.github/workflows/integrationtest.yml
@@ -18,7 +18,7 @@ jobs:
         python-version: [ '3.10' ]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index bd86bdf..2fab319 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout the repository and the branch
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/pull-request-checks.yml b/.github/workflows/pull-request-checks.yml
index 7290f07..ec217de 100644
--- a/.github/workflows/pull-request-checks.yml
+++ b/.github/workflows/pull-request-checks.yml
@@ -13,7 +13,7 @@ jobs:
         python-version: [ '3.10' ]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -36,7 +36,7 @@ jobs:
         python-version: [ '3.10' ]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -60,7 +60,7 @@ jobs:
         python-version: [ '3.10' ]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
           fetch-depth: 0
@@ -120,7 +120,7 @@ jobs:
         python-version: [ '3.9' ]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
           fetch-depth: 0