diff --git a/.travis.yml b/.travis.yml
index aca7f72..9125e42 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ python:
 
 # command to install dependencies
 install:
-  - "pip install pipenv --upgrade"
+  - "pip install pipenv --upgrade-strategy=only-if-needed"
   - "pipenv install --dev"
 
 # command to run the dependencies