diff --git a/.travis.yml b/.travis.yml
index a602f51b..7933134a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,7 +13,7 @@ before_install:
   - date
 
 install:
-  - pip install poetry
+  - pip install --upgrade poetry
   - poetry install
   - poetry run python --version