diff --git a/.github/workflows/CI_build.yml b/.github/workflows/CI_build.yml
index 1aa1216..d3aaf6d 100644
--- a/.github/workflows/CI_build.yml
+++ b/.github/workflows/CI_build.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
     - name: Checkout repo
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     - name: Set up Python 3.13
       uses: actions/setup-python@v6