diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8e66200..a0a0158 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -95,7 +95,7 @@ jobs:
             python-version: "3.11"
 
     steps:
-    - uses: actions/checkout@v3.6.0
+    - uses: actions/checkout@v4.0.0
       with:
         fetch-depth: 0