diff --git a/seminar.md b/seminar.md
index bffa8b4fe15cb988ac9ac993e77ccf210fdeb0aa..9dcbae61ff37bfcd6c769cc3573f9d4537e42af9 100644
--- a/seminar.md
+++ b/seminar.md
@@ -31,7 +31,7 @@ and a mattermost channel for chat. To join the mattermost channel:
 |Date|Speaker|Title/Topic|
 |----|-------|-----------|
 |2020-12-07|Deyan Ginev|Language and mathematics pretraining in 2021: preparing the large open datasets ([slides](https://prodg.org/talks/language_and_math_model_pretraining))|
-|2020-12-21| Deborah Mendes Ferreira | Premise Selection in Natural Language: Finding supporting facts for mathematical statements |
+|2020-12-21| Deborah Mendes Ferreira | Premise Selection in Natural Language: Finding supporting facts for mathematical statements ([slides](https://docs.google.com/presentation/d/14ZVrp2kiOmthWeLBugraFdIVkd4z-PqfJMT-nlRX-e4/edit?usp=sharing)) |
 |2021-01-04| - | cancelled (too close to New Year) |
 |2021-01-18| ? | ? |
 |2021-02-01| Takuto Asakura | Towards Grounding of Formulae |