diff --git a/requirements/edx/base.txt b/requirements/edx/base.txt
index da620db189..c4e7fba5e2 100644
--- a/requirements/edx/base.txt
+++ b/requirements/edx/base.txt
@@ -56,7 +56,7 @@ Markdown==2.2.1
 meliae==0.4.0
 mongoengine==0.7.10
 networkx==1.7
-nltk==2.0.4
+nltk==2.0.5
 nose==1.3.3
 oauthlib==0.6.3
 paramiko==1.9.0