diff --git a/global-requirements.txt b/global-requirements.txt
index 8ed1076949..f2c2a81843 100644
--- a/global-requirements.txt
+++ b/global-requirements.txt
@@ -12,6 +12,7 @@ Babel>=1.3
 boto>=2.32.1
 botocore>=1.0.0 # Apache-2.0
 cassandra-driver>=2.1.4 # Apache-2.0
+castellan>=0.2.0 # Apache-2.0
 ceilometermiddleware>=0.1.0
 cachetools>=1.0.0 # MIT License
 cffi
diff --git a/projects.txt b/projects.txt
index 471f787010..a5c8c747a5 100644
--- a/projects.txt
+++ b/projects.txt
@@ -3,6 +3,7 @@ openstack-dev/pbr
 openstack/anchor
 openstack/automaton
 openstack/barbican
+openstack/castellan
 openstack/ceilometer
 openstack/ceilometermiddleware
 openstack/cinder
diff --git a/upper-constraints.txt b/upper-constraints.txt
index f3376d1619..14414c1c01 100644
--- a/upper-constraints.txt
+++ b/upper-constraints.txt
@@ -72,6 +72,7 @@ boto===2.38.0
 botocore===1.1.11
 cachetools===1.1.0
 cassandra-driver===2.7.1
+castellan===0.2.0
 ceilometermiddleware===0.2.0
 certifi===2015.4.28;python_version=='2.7'
 cffi===1.2.1