diff --git a/.github/cluster-upstream.yml b/.github/cluster-upstream.yml
index db864bedc..e10582aa1 100644
--- a/.github/cluster-upstream.yml
+++ b/.github/cluster-upstream.yml
@@ -5,6 +5,9 @@ services:
         container_name: dask-scheduler
         image: daskdev/dask:dev
         command: dask-scheduler
+        environment:
+            USE_MAMBA: "true"
+            EXTRA_CONDA_PACKAGES: "dask/label/dev::dask cloudpickle>=2.1.0"
         ports:
             - "8786:8786"
     dask-worker: