diff --git a/main.typ b/main.typ
index e35515d..bc317db 100644
--- a/main.typ
+++ b/main.typ
@@ -67,6 +67,7 @@
   author: "Jean-Marie MINEAU",
   affiliation: "IRISA",
   defense-place: "Rennes",
+  nnt: [2025CSUP0006],
   defense-date: datetime(
     year: 2025,
     month: 12,