diff --git a/.github/workflows/CI_build.yml b/.github/workflows/CI_build.yml
index 4dd19cf..fc390fd 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@v5
+      uses: actions/checkout@v6
 
     - name: Install python modules
       working-directory: .