diff --git a/setup.py b/setup.py
old mode 100755
new mode 100644
index c2e0b089..a550922f
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,7 @@
 		'Pillow==4.1.0',
 		'tensorflow-gpu==1.0.1',
 		'Theano==0.9.0',
-        'nltk==3.2.2',
+        'nltk==3.6.3',
         'sk-video==1.1.7',
         'dlib==19.4.0'
     ])