diff --git a/.github/workflows/r_nightly.yml b/.github/workflows/r_nightly.yml
index bde105979b425..0b16c16e9430d 100644
--- a/.github/workflows/r_nightly.yml
+++ b/.github/workflows/r_nightly.yml
@@ -58,7 +58,7 @@ jobs:
           fetch-depth: 0
           path: crossbow
           repository: ursacomputing/crossbow
-          ref: master
+          ref: main
       - name: Set up Python
         uses: actions/setup-python@v4
         with: