diff --git a/virtualenv/build_virtualenv.sh b/virtualenv/build_virtualenv.sh
index 13439fa..b516211 100755
--- a/virtualenv/build_virtualenv.sh
+++ b/virtualenv/build_virtualenv.sh
@@ -27,7 +27,7 @@ cd $VE
 pip install pip==1.4.1
 
 echo "** install packages"
-for p in flup "django<1.6" authentic2
+for p in flup http://isos.univnautes.entrouvert.com/authentic2/authentic2-2.1.1.12.ge5caca7.tar.gz
 do
 	pip install "$p"
 done