diff --git a/deployments/datahub/images/default/environment.yml b/deployments/datahub/images/default/environment.yml
index 50d3ea846..6d7ed19cb 100644
--- a/deployments/datahub/images/default/environment.yml
+++ b/deployments/datahub/images/default/environment.yml
@@ -4,6 +4,7 @@
 
 dependencies:
 - nodejs=16.*
+- traitlets=5.9.*
 - pip=22.2.*
 - python=3.9.*