diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d5c0222..0bf8c99 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,6 +1,13 @@
 name: Sync all branches
 on:
   workflow_dispatch:
+  jobs:
+
+  generate-matrix:
+    name: Generate matrix of branches
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
       steps:
       - uses: TobKed/github-forks-sync-action@master
         with: