diff --git a/.github/workflows/upstream-ledger-sync.yml b/.github/workflows/upstream-ledger-sync.yml
index fc44f09e..4dde3253 100644
--- a/.github/workflows/upstream-ledger-sync.yml
+++ b/.github/workflows/upstream-ledger-sync.yml
@@ -26,7 +26,7 @@ jobs:
         run: |
           git remote add upstream https://github.com/langchain-ai/open-swe.git || true
 
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: "3.12"