diff --git a/.travis.yml b/.travis.yml
index 35a036f..7410d6f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,7 @@ python:
   - pypy
   - pypy3
 install:
-  - pip install pytest
+  - pip install --upgrade pytest
 script:
   - py.test -v test