diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6193881..feed9e8 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,7 +9,7 @@ jobs:
         python-version: [ 3.9 ]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Setup python (${{ matrix.python-version }})
       uses: actions/setup-python@v4