diff --git a/18-NLP/Word2Vec/requirements.txt b/18-NLP/Word2Vec/requirements.txt
index bddcf21..027d003 100644
--- a/18-NLP/Word2Vec/requirements.txt
+++ b/18-NLP/Word2Vec/requirements.txt
@@ -1,3 +1,3 @@
 numpy==1.13.3
 Keras==2.2.4
-nltk==3.3
+nltk==3.4.5