diff --git a/requirements.in b/requirements.in
index f26b4199411eee81a904731b068caa395b15002b..0dd2bd6b5078463043d4b367aebee167b7ee6fef 100644
--- a/requirements.in
+++ b/requirements.in
@@ -9,5 +9,6 @@ pip-tools
 python-ldap
 python-vagrant
 setuptools
+sh~=1.14.0
 sphinx~=1.7.0
 sphinx_rtd_theme~=0.4.0