1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index edc58712e..a090cf0cb 100644
--- a/README.md
+++ b/README.md
@@ -64,7 +64,7 @@ The guidelines in a nutshell:
 Tests are executed at build time, you can also execute them by hand with:
 
 ```
-pipenv install
+pipenv install --dev
 pipenv shell
 make test
 ```