diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index b8975af..c119a25 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -37,7 +37,7 @@ jobs:
           - os: macos-latest
             arch: x86
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v1
         with:
           version: ${{ matrix.version }}