diff --git a/requirements.txt b/requirements.txt
index 35aab42f4b..e85555288d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,4 @@ pastedeploy>=1.3.3
 simplejson>=2.0.9
 six>=1.9.0
 xattr>=0.4
-PyECLib>=1.0.7
+PyECLib==1.0.7                          # BSD