diff --git a/.travis.yml b/.travis.yml
index 271cb49..33e65c4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@
 # to allow C++11, though we are not yet building with -std=c++11
 
 #before_install: pyenv install 3.5.4 && pyenv global 3.5.4
+before_install: pyenv global 3.6
 # https://docs.travis-ci.com/user/languages/python/
 # "for Trusty, this means 2.7.6 and 3.4.3"
 install: