diff --git a/requirements.txt b/requirements.txt
index 0f3c367..7d987f0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ requests==2.20.0
 lxml==3.6.0
 mutagen==1.34.1
 pylint==2.1.1
-nltk==3.2
+nltk==3.4.1
 nose2==0.6.5
 PyQt5==5.7
 radon==1.4.2