diff --git a/.github/workflows/flarum-core-backend.yml b/.github/workflows/flarum-core-backend.yml
index e3aed728f..790a48b2b 100644
--- a/.github/workflows/flarum-core-backend.yml
+++ b/.github/workflows/flarum-core-backend.yml
@@ -8,7 +8,7 @@ on: [workflow_dispatch, push, pull_request]
 
 jobs:
   run:
-    uses: flarum/.github/.github/workflows/REUSABLE_backend.yml@main
+    uses: flarum/.github/.github/workflows/REUSABLE_backend.yml@composer-root-version
     with:
       enable_backend_testing: true