diff --git a/.github/workflows/UnitTest.yml b/.github/workflows/UnitTest.yml
index cb07a50..03faa4e 100644
--- a/.github/workflows/UnitTest.yml
+++ b/.github/workflows/UnitTest.yml
@@ -34,7 +34,7 @@ jobs:
             julia-arch: x86
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: "Set up Julia"
         uses: julia-actions/setup-julia@v1
         with: