diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index e07f79a..6382b21 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -33,7 +33,7 @@ jobs:
             os: macos-latest
             arch: x64
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
         with:
           version: ${{ matrix.version }}