diff --git a/requirements_test.txt b/requirements_test.txt
index 2394a1e..d07c2cd 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -51,7 +51,7 @@ nbclient==0.6.8
 nbformat==5.10.4
 nest-asyncio==1.6.0
 networkx==3.3
-nltk==3.9.3
+nltk==3.9.4
 numpy==1.26.4
 openpyxl==3.1.2
 packaging==24.0