diff --git a/.travis.yml b/.travis.yml
index b5080c9f..d019018a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -34,7 +34,7 @@ install:
   - conda info -a
 
   # create environment and install dependencies
-  - conda create -q -n test-environment python=$TRAVIS_PYTHON_VERSION numpy scipy nose pip matplotlib coverage
+  - conda create -q -n test-environment python=$TRAVIS_PYTHON_VERSION 'numpy <1.15.3' scipy nose pip matplotlib coverage
   - source activate test-environment
   - conda install -c conda-forge healpy aipy
   - pip install coveralls