diff --git a/requirements.txt b/requirements.txt
index 4e0eacb8..a9b018e7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 pbr>=1.6 # Apache-2.0
-PrettyTable<0.8,>=0.7 # BSD
+PrettyTable<0.8,>=0.7.1 # BSD
 python-glanceclient>=2.5.0 # Apache-2.0
 python-keystoneclient!=2.1.0,>=2.0.0 # Apache-2.0
 iso8601>=0.1.11 # MIT
@@ -10,7 +10,7 @@ six>=1.9.0 # MIT
 Babel>=2.3.4 # BSD
 pyOpenSSL>=0.14 # Apache-2.0
 requests>=2.10.0 # Apache-2.0
-PyYAML>=3.1.0 # MIT
+PyYAML>=3.10.0 # MIT
 yaql>=1.1.0 # Apache 2.0 License
 osc-lib>=1.0.2 # Apache-2.0