diff --git a/requirements.txt b/requirements.txt
index 42d28fd..e2fa727 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,9 +2,9 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-pbr>=2.0 # Apache-2.0
-oslo.config!=4.3.0,!=4.4.0,>=4.0.0 # Apache-2.0
-oslo.serialization!=2.19.1,>=1.10.0 # Apache-2.0
-oslo.utils>=3.20.0 # Apache-2.0
-testtools>=1.4.0 # MIT
-tempest>=16.1.0 # Apache-2.0
+pbr!=2.1.0,>=2.0.0 # Apache-2.0
+oslo.config>=5.2.0 # Apache-2.0
+oslo.serialization!=2.19.1,>=2.18.0 # Apache-2.0
+oslo.utils>=3.33.0 # Apache-2.0
+testtools>=2.2.0 # MIT
+tempest>=17.1.0 # Apache-2.0
diff --git a/setup.py b/setup.py
index f76858d..cd35c3c 100644
--- a/setup.py
+++ b/setup.py
@@ -16,5 +16,5 @@
 import setuptools
 
 setuptools.setup(
-    setup_requires=['pbr'],
+    setup_requires=['pbr>=2.0.0'],
     pbr=True)
diff --git a/test-requirements.txt b/test-requirements.txt
index d14547f..e564a99 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -5,7 +5,7 @@
 hacking>=3.1.0,<3.2.0 # Apache-2.0
 
 coverage>=4.0,!=4.4 # Apache-2.0
-python-subunit>=0.0.18 # Apache-2.0/BSD
-oslotest>=1.10.0 # Apache-2.0
+python-subunit>=1.0.0 # Apache-2.0/BSD
+oslotest>=3.2.0 # Apache-2.0
 stestr>=2.0.0 # Apache-2.0
-testtools>=1.4.0 # MIT
+testtools>=2.2.0 # MIT