diff --git a/requirements.txt b/requirements.txt
index ec6df772a..b84c1ba63 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ futurist!=0.15.0,>=0.11.0 # Apache-2.0
 jsonpath-rw<2.0,>=1.2.0 # Apache-2.0
 jsonschema!=2.5.0,<3.0.0,>=2.0.0 # MIT
 keystoneauth1>=2.16.0 # Apache-2.0
-keystonemiddleware!=4.5.0,>=4.2.0 # Apache-2.0
+keystonemiddleware>=4.12.0 # Apache-2.0
 netaddr!=0.7.16,>=0.7.13 # BSD
 pbr>=1.8 # Apache-2.0
 python-ironicclient>=1.6.0 # Apache-2.0