diff --git a/seminar.md b/seminar.md
index 2795bf8aab2e973fcc73c3111105fca2a542af6b..68569bb5c13977bdfab8df7c5c59fdf649d09d00 100644
--- a/seminar.md
+++ b/seminar.md
@@ -50,6 +50,7 @@ and a mattermost channel for chat. To join the mattermost channel:
 
 |Date|Speaker|Title/Topic|
 |----|-------|-----------|
+|?| Dennis Müller/Michael Kohlhase | sTeX 3 – Semantic LaTeX Reimagined |
 |2022-01-10| Abdou Youssef | Machine Learning for Math: Vision and Intermediate Milestones |