diff --git a/requirements.txt b/requirements.txt
index 07f0e55a..7cac05d2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@
 pbr>=1.6 # Apache-2.0
 six>=1.9.0 # MIT
 funcsigs>=0.4;python_version=='2.7' or python_version=='2.6' # Apache-2.0
-iso8601>=0.1.9 # MIT
+iso8601>=0.1.11 # MIT
 oslo.i18n>=2.1.0 # Apache-2.0
 monotonic>=0.6 # Apache-2.0
 pytz>=2013.6 # MIT
diff --git a/test-requirements.txt b/test-requirements.txt
index b702e0ff..ed8f5f9c 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -28,4 +28,4 @@ mock>=1.2 # BSD
 oslo.config>=3.9.0 # Apache-2.0
 
 # Bandit security code scanner
-bandit>=0.17.3 # Apache-2.0
+bandit>=1.0.1 # Apache-2.0