diff --git a/requirements.txt b/requirements.txt
index cbd15f12e48..03a3f11a6a2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,10 +24,10 @@ keystoneauth1>=3.2.0 # Apache-2.0
 alembic>=0.8.10 # MIT
 six>=1.9.0 # MIT
 stevedore>=1.20.0 # Apache-2.0
-oslo.cache>=1.22.0 # Apache-2.0
+oslo.cache>=1.26.0 # Apache-2.0
 oslo.concurrency>=3.20.0 # Apache-2.0
 oslo.config>=4.6.0 # Apache-2.0
-oslo.context>=2.14.0 # Apache-2.0
+oslo.context!=2.19.1,>=2.14.0 # Apache-2.0
 oslo.db>=4.27.0 # Apache-2.0
 oslo.i18n>=3.15.3 # Apache-2.0
 oslo.log>=3.30.0 # Apache-2.0
@@ -40,12 +40,12 @@ oslo.rootwrap>=5.8.0 # Apache-2.0
 oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
 oslo.service>=1.24.0 # Apache-2.0
 oslo.utils>=3.28.0 # Apache-2.0
-oslo.versionedobjects>=1.25.0 # Apache-2.0
+oslo.versionedobjects>=1.28.0 # Apache-2.0
 osprofiler>=1.4.0 # Apache-2.0
 ovs>=2.7.0 # Apache-2.0
 ovsdbapp>=0.6.0 # Apache-2.0
 psutil>=3.2.2 # BSD
-pyroute2>=0.4.21 # Apache-2.0 (+ dual licensed GPL2)
+pyroute2>=0.4.21;sys_platform!='win32' # Apache-2.0 (+ dual licensed GPL2)
 weakrefmethod>=1.0.2;python_version=='2.7' # PSF
 
 python-novaclient>=9.1.0 # Apache-2.0