diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index c517a47..2d82530 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v5
       with:
         python-version: '3.11'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 00b8764..eedb2b7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v5
       with:
         python-version: '3.12'
diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
index e9b3715..c269bb5 100644
--- a/.github/workflows/style.yml
+++ b/.github/workflows/style.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v5
       with:
         python-version: '3.12'
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8d161a5..dd49320 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,7 +15,7 @@ jobs:
     - run: |
         sudo apt-get update
         sudo apt-get install graphviz
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}