diff --git a/.github/workflows/continuous_integration.yml b/.github/workflows/continuous_integration.yml
index 1f46380b..8dd7f79a 100644
--- a/.github/workflows/continuous_integration.yml
+++ b/.github/workflows/continuous_integration.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up Python 3.9
         uses: actions/setup-python@v5
         with:
@@ -31,7 +31,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
         with:
diff --git a/.github/workflows/pypi_release.yml b/.github/workflows/pypi_release.yml
index a2aeaa2e..53b18485 100644
--- a/.github/workflows/pypi_release.yml
+++ b/.github/workflows/pypi_release.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python
       uses: actions/setup-python@v5
       with: