diff --git a/requirements.txt b/requirements.txt
index 2d9bd1a9c..0761a1abc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ cachetools>=1.1.0 # MIT License
 WebOb>=1.7.1 # MIT
 
 # for the routing notifier
-PyYAML>=3.10.0 # MIT
+PyYAML>=3.10 # MIT
 
 # rabbit driver is the default
 # we set the amqp version to ensure heartbeat works
diff --git a/test-requirements.txt b/test-requirements.txt
index 66d4b09bc..85a81bd45 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,7 +6,7 @@
 hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 
 fixtures>=3.0.0 # Apache-2.0/BSD
-mock>=2.0 # BSD
+mock>=2.0.0 # BSD
 python-subunit>=0.0.18 # Apache-2.0/BSD
 testrepository>=0.0.18 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
@@ -30,7 +30,7 @@ coverage!=4.4,>=4.0 # Apache-2.0
 # this is required for the docs build jobs
 sphinx>=1.6.2 # BSD
 openstackdocstheme>=1.16.0 # Apache-2.0
-reno!=2.3.1,>=1.8.0 # Apache-2.0
+reno>=2.5.0 # Apache-2.0
 
 # AMQP 1.0 support depends on the Qpid Proton AMQP 1.0
 # development libraries.