diff --git a/suites/multi-version/dumpling-x/basic/2-workload/rbd_cls.yaml b/suites/multi-version/dumpling-x/basic/2-workload/rbd_cls.yaml
index de1d9b9be31..c7009f788c0 100644
--- a/suites/multi-version/dumpling-x/basic/2-workload/rbd_cls.yaml
+++ b/suites/multi-version/dumpling-x/basic/2-workload/rbd_cls.yaml
@@ -1,5 +1,6 @@
 tasks:
 - workunit:
     clients:
+      branch: dumpling
       client.0:
       - cls/test_cls_rbd.sh
diff --git a/suites/multi-version/firefly-x/basic/2-workload/rbd_cli_import_export.yaml b/suites/multi-version/firefly-x/basic/2-workload/rbd_cli_import_export.yaml
index 49070827be0..cf2c7cae827 100644
--- a/suites/multi-version/firefly-x/basic/2-workload/rbd_cli_import_export.yaml
+++ b/suites/multi-version/firefly-x/basic/2-workload/rbd_cli_import_export.yaml
@@ -1,6 +1,7 @@
 tasks:
 - workunit:
     clients:
+      branch: firefly
       client.0:
         - rbd/import_export.sh
     env: