diff --git a/nemo/retriever-synthetic-data-generation/requirements.txt b/nemo/retriever-synthetic-data-generation/requirements.txt
index 239948b2a..ddd1a6bbf 100644
--- a/nemo/retriever-synthetic-data-generation/requirements.txt
+++ b/nemo/retriever-synthetic-data-generation/requirements.txt
@@ -4,7 +4,7 @@ pydantic==2.6.4
 tqdm==4.66.2
 transformers==4.42.1
 hydra-core==1.3.2
-nltk==3.8.1
+nltk==3.9.4
 beir==2.0.0
 sentence-transformers==3.0.1
 jupyter==1.0.0
\ No newline at end of file