diff --git a/requirements.txt b/requirements.txt
index 5df31963e..220c78ccb 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,11 +1,13 @@
+oslo.config<2.5.0
+oslo.i18n<=2.6.0
+oslo.log<1.12.0
+oslo.middleware<2.9.0
+oslo.serialization<1.10.0
+oslo.utils<2.6.0
+
 falcon==0.2.0
 gunicorn>=19.1.0
 keystonemiddleware
-oslo.config>=1.2.1,<=2.6.0
-oslo.middleware
-oslo.log
-oslo.serialization
-oslo.utils
 pastedeploy>=1.3.3
 pbr>=1.6.0,<2.0
 python-dateutil>=1.5