diff --git a/.github/workflows/rebase.yml b/.github/workflows/rebase.yml
index 877b23d..f922fab 100644
--- a/.github/workflows/rebase.yml
+++ b/.github/workflows/rebase.yml
@@ -4,6 +4,7 @@ on:
     types: [created]
 jobs:
   rebase:
+    runs-on: ubuntu-latest
     name: Rebase
     if: >-
       github.event.issue.pull_request != '' &&