diff --git a/.github/workflows/lint-test.yml b/.github/workflows/lint-test.yml
index 52e6695..dcc7b62 100644
--- a/.github/workflows/lint-test.yml
+++ b/.github/workflows/lint-test.yml
@@ -27,7 +27,7 @@ jobs:
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "pypy-3.9"]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index af33ecc..dbb215a 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -14,7 +14,7 @@ jobs:
       id-token: write  # mandatory for trusted publishing
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     
     - name: Set up Python
       uses: actions/setup-python@v5
diff --git a/.github/workflows/publish-to-testpypi.yml b/.github/workflows/publish-to-testpypi.yml
index 860d962..15422b9 100644
--- a/.github/workflows/publish-to-testpypi.yml
+++ b/.github/workflows/publish-to-testpypi.yml
@@ -17,7 +17,7 @@ jobs:
       id-token: write  # mandatory for trusted publishing
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     
     - name: Set up Python
       uses: actions/setup-python@v5