diff --git a/requirements.txt b/requirements.txt
index 5089ff1..36925f8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-nltk==3.6.6
+nltk==3.9.2
 textblob==0.15.1
 lxml==4.9.1
 spacy==2.0.11