diff --git a/requirements.txt b/requirements.txt
index 431305762..55b364c4b 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.
 oslo.config>=3.14.0 # Apache-2.0
-oslo.log>=1.14.0 # Apache-2.0
+oslo.log>=3.11.0 # Apache-2.0
 oslo.middleware>=3.0.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.utils>=3.16.0 # Apache-2.0
@@ -10,7 +10,7 @@ oslo.utils>=3.16.0 # Apache-2.0
 python-keystoneclient!=2.1.0,>=2.0.0 # Apache-2.0
 
 falcon>=0.1.6 # Apache-2.0
-keystonemiddleware!=4.1.0,!=4.5.0,>=4.0.0 # Apache-2.0
+keystonemiddleware!=4.5.0,>=4.2.0 # Apache-2.0
 PasteDeploy>=1.5.0 # MIT
 pbr>=1.6 # Apache-2.0
 six>=1.9.0 # MIT