diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 2bc738b..2d81caa 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -30,7 +30,7 @@ jobs:
 
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: "Set up Julia"
         uses: julia-actions/setup-julia@v1
         with: