diff --git a/.github/workflows/testci.yml b/.github/workflows/testci.yml
index 525177d..3d60d64 100644
--- a/.github/workflows/testci.yml
+++ b/.github/workflows/testci.yml
@@ -15,7 +15,7 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Set up Python '${{ matrix.python-version }}'
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: '${{ matrix.python-version }}'