diff --git a/requirements.txt b/requirements.txt
index ae9b5436..21c27c84 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ eventlet!=0.18.3,>=0.18.2 # MIT
 netaddr!=0.7.16,>=0.7.12 # BSD
 httplib2>=0.7.5 # MIT
 python-neutronclient>=4.2.0 # Apache-2.0
-oslo.concurrency>=3.5.0 # Apache-2.0
+oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.config>=3.9.0 # Apache-2.0
 oslo.context>=2.2.0 # Apache-2.0
 oslo.db>=4.1.0 # Apache-2.0
@@ -23,5 +23,5 @@ cliff!=1.16.0,!=1.17.0,>=1.15.0 # Apache-2.0
 six>=1.9.0 # MIT
 tooz>=1.28.0 # Apache-2.0
 pymemcache!=1.3.0,>=1.2.9 # Apache 2.0 License
-keystonemiddleware!=4.1.0,>=4.0.0 # Apache-2.0
-python-keystoneclient!=1.8.0,!=2.1.0,>=1.6.0 # Apache-2.0
+keystonemiddleware!=4.1.0,!=4.5.0,>=4.0.0 # Apache-2.0
+python-keystoneclient!=1.8.0,!=2.1.0,>=1.7.0 # Apache-2.0