diff --git a/setup.py b/setup.py
index e7a42455..2ad9eca0 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@
       license='MIT',
       packages=find_packages(),
       install_requires=[
-          'xarray>=0.11.0',
+          'xarray>=0.15.0',
           'pandas',
           'netcdf4>=1.2.5',
           'numpy>=1.11.2',