diff --git a/.github/workflows/publish_to_pypi.yml b/.github/workflows/publish_to_pypi.yml
index fcd133f..f320a3b 100644
--- a/.github/workflows/publish_to_pypi.yml
+++ b/.github/workflows/publish_to_pypi.yml
@@ -16,7 +16,7 @@ jobs:
       id-token: write
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Set up Python 3.10
       uses: actions/setup-python@v5
diff --git a/.github/workflows/run_test.yml b/.github/workflows/run_test.yml
index 7a682a7..d560b44 100644
--- a/.github/workflows/run_test.yml
+++ b/.github/workflows/run_test.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Set up Python
       uses: actions/setup-python@v5