diff --git a/setup.cfg b/setup.cfg
index b6b887ed..ff8b6ece 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -30,7 +30,7 @@ install_requires =
     cachetools>=2.1.0
     liknorm>=1.2.1
     ndarray-listener>=1.1.2
-    numpy-sugar>=1.2.5
+    numpy-sugar>=1.4.1
     numpy>=1.14.3
     optimix>=3.0.0
     pandas>=0.23.1