diff --git a/.github/workflows/scheduler.yml b/.github/workflows/scheduler.yml
index 24299c8a7..476be2550 100644
--- a/.github/workflows/scheduler.yml
+++ b/.github/workflows/scheduler.yml
@@ -11,7 +11,7 @@ jobs:
   build-snapshots:
     strategy:
       matrix:
-        branch: [ 'wip/2.4', 'wip/3.0', 'wip/4.0' ]
+        branch: [ 'wip/2.4', 'wip/3.0', 'wip/3.1', 'wip/4.0' ]
     uses: ./.github/workflows/build.yml
     with:
       branch: ${{ matrix.branch }}