diff --git a/.github/workflows/dendrite.yml b/.github/workflows/dendrite.yml
index 61285bf80..e76e114db 100644
--- a/.github/workflows/dendrite.yml
+++ b/.github/workflows/dendrite.yml
@@ -334,4 +334,4 @@ jobs:
         with:
           jobs: ${{ toJSON(needs) }}
       - name: Dispatch Docker build
-        uses: matrix-org/dendrite/.github/workflows/dendrite.yml
+        uses: matrix-org/dendrite/.github/workflows/dendrite.yml@main