diff --git a/requirements.txt b/requirements.txt
index 523aa23baf..f48ec2dee9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-pbr>=1.6 # Apache-2.0
+pbr>=1.8 # Apache-2.0
 
 enum34;python_version=='2.7' or python_version=='2.6' or python_version=='3.3' # BSD
 eventlet!=0.18.3,>=0.18.2 # MIT
@@ -16,7 +16,7 @@ osc-lib>=1.2.0 # Apache-2.0
 python-openstackclient>=3.3.0 # Apache-2.0
 oslo.concurrency>=3.8.0 # Apache-2.0
 oslo.config!=3.18.0,>=3.14.0 # Apache-2.0
-oslo.db!=4.13.1,!=4.13.2,>=4.10.0 # Apache-2.0
+oslo.db!=4.13.1,!=4.13.2,>=4.11.0 # Apache-2.0
 oslo.i18n>=2.1.0 # Apache-2.0
 oslo.log>=3.11.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0