diff --git a/lower-constraints.txt b/lower-constraints.txt
index 810beddb9..73d8a64c1 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -47,6 +47,7 @@ python-mimeparse==1.6.0
 python-subunit==1.0.0
 pytz==2013.6
 PyYAML==3.12
+reno==2.5.0
 requests-mock==1.2.0
 requests==2.14.2
 rfc3986==0.3.1
diff --git a/test-requirements.txt b/test-requirements.txt
index e16fdd596..a62a30869 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -7,6 +7,7 @@ coverage!=4.4,>=4.0 # Apache-2.0
 ddt>=1.0.1 # MIT
 fixtures>=3.0.0 # Apache-2.0/BSD
 mock>=2.0.0 # BSD
+reno>=2.5.0 # Apache-2.0
 requests-mock>=1.2.0 # Apache-2.0
 tempest>=17.1.0 # Apache-2.0
 testtools>=2.2.0 # MIT