From 0c3bbb9f213f778fe1d86f0bd874aae55f807cee Mon Sep 17 00:00:00 2001
From: smurail <simon.murail@iscpif.fr>
Date: Wed, 13 Dec 2017 11:34:28 +0100
Subject: [PATCH] Latest version of pipenv must be installed

---
 INSTALL.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/INSTALL.md b/INSTALL.md
index b068bf5c..f6e58c12 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -47,7 +47,7 @@ python packages and takes care of the virtualenv and environment variables.
 There are various ways to install `pipenv`, see its [documentation][2] for more
 insights. Here is the straightforward way:
 
-    pip install pipenv --user
+    pip install pipenv --user --upgrade
 
 [1]: https://github.com/kennethreitz/pipenv
 [2]: https://docs.pipenv.org/
-- 
2.21.0