diff --git a/requirements.txt b/requirements.txt
index b0ba752..366ed17 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -53,7 +53,7 @@ nbclient==0.7.2
 nbconvert==7.2.9
 nbformat==5.7.3
 nest-asyncio==1.5.6
-nltk==3.8.1
+nltk==3.9.3
 notebook==6.5.2
 notebook_shim==0.2.2
 numpy==1.24.2