diff --git a/requirements.txt b/requirements.txt
index 159339b..071e409 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-nltk==3.8.1
+nltk==3.9
 numpy==1.24.3
 pandas==1.5.3
 python_Levenshtein==0.22.0