diff --git a/tox.ini b/tox.ini
index 24ef6e8..1be408f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -86,6 +86,7 @@ commands =
 
 # Documentation
 [testenv:docs]
+basepython = python3
 deps =
     sphinx>=1.3.0
     sphinx_rtd_theme
@@ -94,7 +95,7 @@ commands =
     sphinx-build -E -W -c docs/source/ -b html docs/source/ docs/build/html
 
 [testenv:serve-docs]
-basepython = python3.4
+basepython = python3
 skipsdist = true
 skip_install = true
 use_develop = false