diff --git a/.github/workflows/lean.yml b/.github/workflows/lean.yml
index dad21990..514c1dd7 100644
--- a/.github/workflows/lean.yml
+++ b/.github/workflows/lean.yml
@@ -22,7 +22,7 @@ jobs:
           echo "$HOME/.elan/bin" >> $GITHUB_PATH
 
       - name: '📥 Checkout repository'
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: '👝 Cache .lake/'
         id: cache-lake