diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 110d1868..7fe5b218 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
           - "3.11"
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: setup python
       uses: actions/setup-python@v2
       with: