diff --git a/requirements.txt b/requirements.txt
index bf914e91..2ba403af 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 # basic libs
 
+psycopg2==2.6
 html5lib==0.999
 ipython==3.0.0
 Pillow==2.7.0