diff --git a/environment.yml b/environment.yml
index c3bfbf2febb497da22021e36111cbb3c2afee0ce..12a375d02b25cb3afe3edff4f172209a459955a5 100644
--- a/environment.yml
+++ b/environment.yml
@@ -86,4 +86,4 @@ 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>=9.3
\ No newline at end of file
+    - nbgrader>=0.9.3
\ No newline at end of file