diff --git a/setup.py b/setup.py
index f3803e85..6c880be2 100644
--- a/setup.py
+++ b/setup.py
@@ -45,6 +45,7 @@
     install_requires=[
         'broker',
         'dynaconf[vault]',
+        'hvac<1.0.0',
         'Fabric3',
         'fauxfactory',
         'jinja2',