diff --git a/requirements.txt b/requirements.txt
index 4beb0e3..a721f22 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,7 @@ behave == 1.2.5
 coverage == 4.4.1
 psutil >= 5.2.2
 pycodestyle >= 2.3.1
+setuptools
 six
 sphinx == 1.4.8
 sphinx-argparse == 0.1.15