diff --git a/deployment/streamlit_Docker/requirements.txt b/deployment/streamlit_Docker/requirements.txt
index b73be76..14b463e 100644
--- a/deployment/streamlit_Docker/requirements.txt
+++ b/deployment/streamlit_Docker/requirements.txt
@@ -1,5 +1,5 @@
 Flask==2.0.2
 streamlit==1.10.0
-nltk==3.3
+nltk==3.6.6
 beautifulsoup4==4.11.1
 sklearn
\ No newline at end of file