diff --git a/README.md b/README.md
index 3652ca17367f8625f1c46b6677fd287ff4a0c709..8d202859dde12158b4d49a9ba45cd32ed0501c41 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,7 @@ source pythonEnv/bin/activate
 ```
 Then, WARIO is installed with
 ```
+pip install -U pip
 pip install git+https://gitlab.laas.fr/moma/WARIO.git
 ```
 Once the installation is completed, the command