diff --git a/requirements.txt b/requirements.txt
index ea806e56a4..012e33a619 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # 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
 
 # < 0.8.0/0.8 does not work, see https://bugs.launchpad.net/bugs/1153983
 SQLAlchemy<1.1.0,>=1.0.10 # MIT
@@ -35,7 +35,7 @@ pyOpenSSL>=0.14 # Apache-2.0
 # Required by openstack.common libraries
 six>=1.9.0 # MIT
 
-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.messaging>=5.2.0 # Apache-2.0