diff --git a/requirements.txt b/requirements.txt
index 94f0defc48..6972ffabfd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,11 +16,11 @@ httplib2>=0.7.5 # MIT
 pycrypto>=2.6 # Public Domain
 oslo.config>=3.12.0 # Apache-2.0
 oslo.concurrency>=3.8.0 # Apache-2.0
-oslo.context>=2.4.0 # Apache-2.0
+oslo.context!=2.6.0,>=2.4.0 # Apache-2.0
 oslo.service>=1.10.0 # Apache-2.0
 oslo.utils>=3.15.0 # Apache-2.0
-stevedore>=1.10.0 # Apache-2.0
-futurist>=0.11.0 # Apache-2.0
+stevedore>=1.16.0 # Apache-2.0
+futurist!=0.15.0,>=0.11.0 # Apache-2.0
 taskflow>=1.26.0 # Apache-2.0
 keystoneauth1>=2.7.0 # Apache-2.0
 keystonemiddleware!=4.1.0,!=4.5.0,>=4.0.0 # Apache-2.0