diff --git a/dev/containers/tox_py3.sh b/dev/containers/tox_py3.sh
index 3ba8447..4c33d1a 100644
--- a/dev/containers/tox_py3.sh
+++ b/dev/containers/tox_py3.sh
@@ -22,4 +22,4 @@ echo "Last commits:"
 git --no-pager log -2
 fi
 
-tox -v --sitepackages -e 'py34-flask100-ci' -- --results=results
+tox -v --sitepackages -e 'py35-flask100-ci' -- --results=results
diff --git a/tox.ini b/tox.ini
index 05b386d..59d5a88 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{27,34,35,36,37}-flask{100,01{1,2}}
+envlist = py{27,35,36,37}-flask{100,01{1,2}}
 skipsdist = True