diff --git a/.travis.yml b/.travis.yml
index 0d2cd84..63c31b5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 sudo: required
-dist: trusty
+dist: xenial
 
 language: python
 cache: pip
diff --git a/setup.py b/setup.py
index d5bdbf4..7d4bf1a 100644
--- a/setup.py
+++ b/setup.py
@@ -47,8 +47,6 @@
         'Operating System :: OS Independent',
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.4',
-        'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
diff --git a/tox.ini b/tox.ini
index ff893c5..7bbcbbb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -25,7 +25,7 @@ deps =
 whitelist_externals =
     make
 
-install_command = pip install -e ".[test]" --upgrade {opts} {packages}
+install_command = pip install -e '.[test]' --upgrade {opts} {packages}
 
 # include {envsitepackagesdir}/wagtail_textract b/c "import file mismatch":
 # http://tox.readthedocs.io/en/latest/example/pytest.html#known-issues-and-limitations