diff --git a/Twitter_stream_app/requirements.txt b/Twitter_stream_app/requirements.txt
index b9fd498..4436c9e 100644
--- a/Twitter_stream_app/requirements.txt
+++ b/Twitter_stream_app/requirements.txt
@@ -1,5 +1,5 @@
 plotly==4.0.0
 pandas==0.24.2
-nltk==3.4
+nltk==3.4.5
 SQLAlchemy==1.3.1
 urllib3==1.24.1