diff --git a/README.md b/README.md
index 0ebe657..e38d221 100644
--- a/README.md
+++ b/README.md
@@ -768,7 +768,6 @@ 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
 
 # run tests using tox
diff --git a/requirements-dev.txt b/requirements-dev.txt
deleted file mode 100644
index c90555a..0000000
--- a/requirements-dev.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-codecov
-coverage
-tox
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 416c1c7..668ca8b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,5 @@
+codecov
+coverage
 ftfy
 mailchecker
 phonenumbers
@@ -7,4 +9,5 @@ pyyaml
 requests
 six
 toml
+tox
 xmltodict
\ No newline at end of file