diff --git a/tox.ini b/tox.ini
index c0f36b50..0ddf9913 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = docs,linters,py34,py27
+envlist = docs,linters,py35,py27
 minversion = 2.0
 skipsdist = True
 
@@ -9,8 +9,8 @@ install_command = pip install -U {opts} {packages}
 setenv = VIRTUAL_ENV={envdir}
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
-# NOTE: If py34 fails with "db type could not be determined", delete
-# .testrepository and try again. Running py34 before py27 is OK, but not the
+# NOTE: If py35 fails with "db type could not be determined", delete
+# .testrepository and try again. Running py35 before py27 is OK, but not the
 # other way around. See: https://bugs.launchpad.net/testrepository/+bug/1212909
 commands = python setup.py testr --slowest --testr-args="{posargs}"