diff --git a/python-requirements/requirements.txt b/python-requirements/requirements.txt
index efff5e0..278cd59 100644
--- a/python-requirements/requirements.txt
+++ b/python-requirements/requirements.txt
@@ -15,5 +15,5 @@ grizzled==0.9.4
 junit_xml==1.8
 voluptuous==0.10.5
 h5py==2.7.1
-netCDF4==1.3.1
+netCDF4==1.4.0
 -rnotebook-requirements.txt