diff --git a/requirements.txt b/requirements.txt
index 27dcec63c0..9c4e1dc473 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!=2.1.0,>=2.0.0 # Apache-2.0
+pbr>=3.1.1 # Apache-2.0
 SQLAlchemy>=1.2.19 # MIT
 alembic>=1.4.2 # MIT
 automaton>=1.9.0 # Apache-2.0
@@ -16,13 +16,13 @@ pytz>=2013.6 # MIT
 stevedore>=1.20.0 # Apache-2.0
 oslo.concurrency>=4.2.0 # Apache-2.0
 oslo.config>=6.8.0 # Apache-2.0
-oslo.context>=2.19.2 # Apache-2.0
+oslo.context>=2.22.0 # Apache-2.0
 oslo.db>=9.1.0 # Apache-2.0
 oslo.rootwrap>=5.8.0 # Apache-2.0
 oslo.log>=4.3.0 # Apache-2.0
 oslo.middleware>=3.31.0 # Apache-2.0
 oslo.policy>=3.7.0 # Apache-2.0
-oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
+oslo.serialization>=2.25.0 # Apache-2.0
 oslo.service!=1.28.1,>=1.24.0 # Apache-2.0
 oslo.upgradecheck>=1.3.0 # Apache-2.0
 oslo.utils>=4.5.0 # Apache-2.0
@@ -30,8 +30,8 @@ osprofiler>=1.5.0 # Apache-2.0
 os-traits>=0.4.0 # Apache-2.0
 pecan!=1.0.2,!=1.0.3,!=1.0.4,!=1.2,>=1.0.0 # BSD
 pycdlib>=1.11.0 # LGPLv2
-requests>=2.14.2 # Apache-2.0
-rfc3986>=0.3.1 # Apache-2.0
+requests>=2.18.0 # Apache-2.0
+rfc3986>=1.2.0 # Apache-2.0
 jsonpatch!=1.20,>=1.16 # BSD
 Jinja2>=2.10 # BSD License (3 clause)
 keystonemiddleware>=4.17.0 # Apache-2.0
diff --git a/test-requirements.txt b/test-requirements.txt
index 72cd8e6b9d..bd29d9394e 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -3,15 +3,15 @@
 # process, which may cause wedges in the gate later.
 
 coverage!=4.4,>=4.0 # Apache-2.0
-ddt>=1.0.1 # MIT
+ddt>=1.2.1 # MIT
 fixtures>=3.0.0 # Apache-2.0/BSD
 PyMySQL>=0.8.0 # MIT License
 iso8601>=0.1.11 # MIT
 oslo.reports>=1.18.0 # Apache-2.0
 oslotest>=3.2.0 # Apache-2.0
-stestr>=1.0.0 # Apache-2.0
+stestr>=2.0.0 # Apache-2.0
 psycopg2>=2.8.5 # LGPL/ZPL
 testtools>=2.2.0 # MIT
 WebTest>=2.0.27 # MIT
 pysnmp>=4.4.12
-bandit!=1.6.0,>=1.1.0,<2.0.0 # Apache-2.0
\ No newline at end of file
+bandit!=1.6.0,>=1.1.0,<2.0.0 # Apache-2.0