diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b72134f..22cf732 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
         pdm-version: [""]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ManoManoTech/setup-pdm@main
         name: Setup PDM
         with: