diff --git a/requirements-py2.txt b/requirements-py2.txt
index fde9c79a..517ec064 100644
--- a/requirements-py2.txt
+++ b/requirements-py2.txt
@@ -7,3 +7,4 @@ requests
 six >= 1.7
 kazoo>=2.2.1
 python-etcd>=0.4.1
+click>=4.1
diff --git a/requirements-py3.txt b/requirements-py3.txt
index cc00965b..b04a0f74 100644
--- a/requirements-py3.txt
+++ b/requirements-py3.txt
@@ -7,3 +7,4 @@ requests
 six
 kazoo>=2.2.1
 python-etcd>=0.4.1
+click>=4.1