diff --git a/requirements.txt b/requirements.txt
index 465d55a..81c06ee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 beautifulsoup4==4.3.2
+nltk==3.0.1
 peewee==2.4.4
 redis==2.10.3
 rq==0.4.6