diff --git a/requirements.txt b/requirements.txt
index 667e544e6..33409f41e 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
 
 eventlet!=0.18.3,>=0.18.2 # MIT
 requests>=2.10.0 # Apache-2.0
@@ -11,7 +11,7 @@ SQLAlchemy<1.1.0,>=1.0.10 # MIT
 alembic>=0.8.4 # MIT
 six>=1.9.0 # MIT
 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.log>=3.11.0 # Apache-2.0
 oslo.messaging>=5.2.0 # Apache-2.0
 oslo.reports>=0.6.0 # Apache-2.0