diff --git a/requirements.txt b/requirements.txt
index 96cb4fb030..60091eab50 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,3 +9,4 @@ netifaces>=0.5,!=0.10.0,!=0.10.1
 pastedeploy>=1.3.3
 simplejson>=2.0.9
 xattr>=0.4
+PyECLib>=1.0.3