diff --git a/README.md b/README.md
index 3b7b1c5..6dc071d 100644
--- a/README.md
+++ b/README.md
@@ -768,6 +768,7 @@ git clone https://github.com/fabiocaccamo/python-benedict.git src && cd src
 
 # install requirements
 pip install --upgrade pip
+pip install -r requirements-dev.txt
 pip install -r requirements.txt
 pip install tox
 
diff --git a/requirements-dev.txt b/requirements-dev.txt
new file mode 100644
index 0000000..c90555a
--- /dev/null
+++ b/requirements-dev.txt
@@ -0,0 +1,3 @@
+codecov
+coverage
+tox
\ No newline at end of file