diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 938b6c3..5975b0d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-22.04
     container: ghcr.io/rangamanilabucsd/smart-lab:v2.2.2
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: "Install code"
         run: python3 -m pip install pytest jupytext