diff --git a/birdhouse/default.env b/birdhouse/default.env
index 344f2183d..0bc97cc42 100644
--- a/birdhouse/default.env
+++ b/birdhouse/default.env
@@ -2,7 +2,7 @@
 # All env in this default.env must not depend on any env in env.local.
 
 # Jupyter single-user server image
-export DOCKER_NOTEBOOK_IMAGE="pavics/workflow-tests:200803"
+export DOCKER_NOTEBOOK_IMAGE="pavics/workflow-tests:200914.1"
 
 export FINCH_IMAGE="birdhouse/finch:version-0.5.2"