diff --git a/requirements.txt b/requirements.txt
index 6cd2edf..f7359a5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 beautifulsoup4==4.7.1
 bs4==0.0.1
-nltk==3.4.1
+nltk==3.4.5
 six==1.12.0
 soupsieve==1.9.1
 Unipath==1.1