diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 09d897b..43b607b 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -27,7 +27,7 @@ jobs:
     steps:
       # Checkout the repository
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
           
       - name: Create environment with Mamba
         uses: conda-incubator/setup-miniconda@v2