diff --git a/.travis.yml b/.travis.yml
index b408c169..9b1ca12b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,7 +10,7 @@ python:
 
 # command to install dependencies
 install:
-  - "pip install -e ."
+  - "pip install -e . --upgrade"
   - "pipenv install --dev --skip-lock"
 # command to run tests
 script: