diff --git a/deployments/julia/image/environment.yml b/deployments/julia/image/environment.yml
index 72ba1ad9d..82f052b76 100644
--- a/deployments/julia/image/environment.yml
+++ b/deployments/julia/image/environment.yml
@@ -7,7 +7,7 @@ dependencies:
 - syncthing==1.18.6
 
 # bug w/notebook and traitlets: https://github.com/jupyter/notebook/issues/7048
-- traitlets=5.9.*
+# - traitlets=5.9.*
 
 # from requirements.txt
 - matplotlib==3.7.2
@@ -18,5 +18,6 @@ dependencies:
 # For https://github.com/berkeley-dsep-infra/datahub/issues/3079
 - websockify
 - pip:
+  - notebook=6.5.6
   - jupyter-desktop-server
   - otter-grader==3.1.4