diff --git a/images/nlp-notebook/requirements.txt b/images/nlp-notebook/requirements.txt
index 740249a..a8b328d 100644
--- a/images/nlp-notebook/requirements.txt
+++ b/images/nlp-notebook/requirements.txt
@@ -2,7 +2,7 @@ spacy==3.7.4
 gensim==4.3.2
 scipy==1.10.0 # Newer versions break gensim
 wikipedia
-nltk==3.9
+nltk==3.9.4
 transformers==4.53.0
 tokenizers
 huggingface_hub