From 85b8280370f50c0e18ab1a82bb9209e4fa5fbee9 Mon Sep 17 00:00:00 2001
From: Kenneth Reitz <me@kennethreitz.org>
Date: Tue, 27 Feb 2018 07:45:49 -0500
Subject: [PATCH] only update pipenv if needed

Signed-off-by: Kenneth Reitz <me@kennethreitz.org>
---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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