diff --git a/himalaya/validation.py b/himalaya/validation.py
index 78e3d08..969f008 100644
--- a/himalaya/validation.py
+++ b/himalaya/validation.py
@@ -2,7 +2,10 @@
 import warnings
 
 import numpy as np
-from numpy.core.numeric import ComplexWarning
+try:
+    from numpy.core.numeric import ComplexWarning
+except ImportError:
+    from numpy.exceptions import ComplexWarning
 
 try:
     from scipy.sparse import issparse