diff --git a/environment.yml b/environment.yml
index 12a375d02b25cb3afe3edff4f172209a459955a5..a9e69a7a47da2a6037556e87d3e1dc31e775a286 100644
--- a/environment.yml
+++ b/environment.yml
@@ -39,7 +39,7 @@ dependencies:
 - jupyter-book
 - mystmd
 - nodejs
-#- nbgrader>=0.9.1
+- nbgrader>=0.9.3
 - jupyterlab-deck
 
 # For computations
@@ -86,4 +86,3 @@ dependencies:
     - git+https://gitlab.com/travo-cr/travo.git@student-dashboard-actions
     - git+https://gitlab.dsi.universite-paris-saclay.fr/L1InfoInitiationScienceDonnees/Assets.git
     - git+https://gitlab.dsi.universite-paris-saclay.fr/MethNum/scripts.git
-    - nbgrader>=0.9.3
\ No newline at end of file