diff --git a/.github/workflows/gen_index.yml b/.github/workflows/gen_index.yml
index c93566fb..801eecf0 100644
--- a/.github/workflows/gen_index.yml
+++ b/.github/workflows/gen_index.yml
@@ -23,6 +23,7 @@ jobs:
           git config --local user.email "github-actions[bot]@users.noreply.github.com"
           git config --local user.name "github-actions[bot]"
 
+          git fetch origin
           git checkout origin/upstream javascript/
           git checkout origin/upstream images/