diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7701ae6..c46829d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Validate MATLAB scripts (syntax check)
         run: |