diff --git a/deployments/stat159/image/environment.yml b/deployments/stat159/image/environment.yml
index cc6a156e7..2ab47629c 100644
--- a/deployments/stat159/image/environment.yml
+++ b/deployments/stat159/image/environment.yml
@@ -59,7 +59,7 @@ dependencies:
   
   - jupyterlab-link-share==0.2.5
   - jupyterlab-variableinspector==3.0.9
-  - jupyterlab-myst==2.0.0
+  - jupyterlab-myst==5.0.0
   - jupyterlab_pygments==0.2.2
   - jupyterlab_server==2.19.0
   - jupyterlab-spellchecker==0.8.3