diff --git a/ManagedkdbInsights/processing_data/requirements.txt b/ManagedkdbInsights/processing_data/requirements.txt
index ed11456..100d52e 100644
--- a/ManagedkdbInsights/processing_data/requirements.txt
+++ b/ManagedkdbInsights/processing_data/requirements.txt
@@ -155,7 +155,7 @@ nbconvert==6.5.1
 nbformat==5.3.0
 nest-asyncio==1.5.5
 networkx==2.7.1
-nltk==3.7
+nltk==3.9
 notebook==6.4.12
 numba==0.55.1
 numexpr==2.8.1