CI: Upgrade `tox`

[ppu.git] / .travis.yml

diff --git a/.travis.yml b/.travis.yml
index 08c12fa7274aa0fc8465cbb66122e5db7ce5f898..8bd44baf15fbf8cc445fb66cdb963eee694549f0 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,8 +13,6 @@ matrix:
   include:
   - python: "2.7"
     env: TOXENV=py27
-  - python: "3.4"
-    env: TOXENV=py34
   - python: "3.5"
     env: TOXENV=py35
   - python: "3.6"
@@ -31,7 +29,7 @@ matrix:
     env: TOXENV=py39-flake8
 
 install:
-  - travis_retry pip install --upgrade "pip<21" "setuptools<44" tox
+  - travis_retry pip install --upgrade "pip<21" "setuptools<44" "tox>=3.15"
 
 script:
   - tox