diff --git a/requirements.txt b/requirements.txt
index 6ee9d682..7bd4555e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Babel>=1.3
 falcon>=0.1.6
 jsonschema!=2.5.0,<3.0.0,>=2.0.0
 iso8601>=0.1.9
-keystonemiddleware!=2.4.0,>=2.0.0
+keystonemiddleware>=4.0.0
 msgpack-python>=0.4.0
 python-memcached>=1.56
 WebOb>=1.2.3
@@ -25,5 +25,5 @@ SQLAlchemy<1.1.0,>=0.9.9
 enum34;python_version=='2.7' or python_version=='2.6'
 trollius>=1.0
 autobahn>=0.10.1 # MIT License
-requests!=2.8.0,>=2.5.2
+requests>=2.8.1
 futurist>=0.1.2 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 4e1d6b10..99776472 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -14,7 +14,7 @@ websocket-client>=0.32.0 # LGPLv2+
 
 # Unit testing
 coverage>=3.6
-ddt>=0.7.0
+ddt>=1.0.1
 fixtures>=1.3.1
 python-subunit>=0.0.18
 testrepository>=0.0.18