diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 859d9fb14..eb88935e3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -50,6 +50,7 @@ jobs:
       - name: 🍴Install Forked WWW-AdventCalendar
         run: >
           cd inc/WWW-AdventCalendar &&
+          git switch rebased-rssmode &&
           dzil authordeps | xargs cpm install -g &&
           dzil install