diff --git a/Puppetfile b/Puppetfile
index cd917c372..f8bea5201 100755
--- a/Puppetfile
+++ b/Puppetfile
@@ -130,7 +130,7 @@ mod 'nssdb',
 
 mod 'rabbitmq',
   :git => 'https://github.com/voxpupuli/puppet-rabbitmq',
-  :ref => 'master'
+  :ref => '1ccddad57e4d53bb3861754a1712b78f3a0fb13f'
 
 mod 'redis',
   :git => 'https://github.com/voxpupuli/puppet-redis',
diff --git a/test-requirements.txt b/test-requirements.txt
index f4a54b5b5..421af3c32 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,4 +1,4 @@
-sphinx>=1.6.2  # BSD
+sphinx>=1.6.2,<2.0.0  # BSD
 openstackdocstheme>=1.17.0  # Apache-2.0
 reno>=0.1.1 # Apache2
 stestr>=1.0.0 # Apache-2.0