diff --git a/.travis.yml b/.travis.yml
index c8f0de6ae9bff8cedaf5fe9656265dd981e0ff46..c73fe545203f753e314e5ea9fdbda102535d2c69 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -35,7 +35,7 @@ before_install:
 
 install:
   - conda config --add channels conda-forge
-  - conda install -c conda-forge libgdal gdal
+  - conda install -c conda-forge libgdal gdal numpy
   - conda install -q h5py pandas sqlalchemy pyyaml networkx affine protobuf scipy pvl
   # Development installation
   - conda install -q pytest pytest-cov sh coveralls nbsphinx