diff --git a/config/requirements.txt b/config/requirements.txt
index 853567965..d3b21ff57 100755
--- a/config/requirements.txt
+++ b/config/requirements.txt
@@ -24,7 +24,7 @@ httplib2==0.8
 iconv==1.0
 isodate==0.5.1
 kombu==2.5.7
-lxml==3.5.0
+lxml==3.3.5
 mongoengine==0.8.2
 nltk==2.0.5
 oauth2==1.5.211