diff --git a/stack/erp5/buildout.cfg b/stack/erp5/buildout.cfg
index b46c35a360c2156f01140cad13dd1e590a91beab..d5a216953623b1c339a48274e8c4d6413e8832bb 100644
--- a/stack/erp5/buildout.cfg
+++ b/stack/erp5/buildout.cfg
@@ -704,7 +704,7 @@ ipywidgets = 4.1.1
 logilab-common = 1.2.0
 matplotlib = 1.5.1
 mistune = 0.7.2
-numpy = 1.10.4
+numpy = 1.11.0
 objgraph = 2.0.1
 pandas = 0.18.0
 path.py = 8.1.2