diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b3182fb9..0842f093 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
     - name: Check out repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Prepare python ${{ matrix.python-version }}
       uses: actions/setup-python@v4