diff --git a/requirements.txt b/requirements.txt
index 6a7fb670..8dc43b8d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 
 pbr>=1.6 # Apache-2.0
-iso8601>=0.1.9 # MIT
+iso8601>=0.1.11 # MIT
 positional>=1.0.1 # Apache-2.0
 requests!=2.9.0,>=2.8.1 # Apache-2.0
 six>=1.9.0 # MIT
diff --git a/test-requirements.txt b/test-requirements.txt
index 75637c5e..d4ca21f9 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,7 +5,7 @@
 hacking<0.11,>=0.10.0
 flake8-docstrings==0.2.1.post1 # MIT
 
-bandit>=1.0.1  # Apache-2.0
+bandit>=1.0.1 # Apache-2.0
 coverage>=3.6 # Apache-2.0
 discover # BSD
 fixtures<2.0,>=1.3.1 # Apache-2.0/BSD