diff --git a/requirements.txt b/requirements.txt
index 623f189..1cee2d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 tweepy==3.6.0
 newspaper3k==0.2.6
 langdetect==1.0.7
-nltk==3.2.5
+nltk==3.4.5
 requests==2.18.4
 botometer==1.3
 pymongo==3.6.1